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12031102340120 = 2351766821264779
BaseRepresentation
bin1010111100010011010110…
…0101001100110000011000
31120121011101012121200112102
42233010311211030300120
53034104144144340440
641331002341102532
72351134634361653
oct257046545146030
946534335550472
1012031102340120
1139193a8691326
12142385b9b7a48
136936b3274836
142d84465b489a
1515ce536e3b15
hexaf13594cc18

12031102340120 has 64 divisors (see below), whose sum is σ = 28662869239200. Its totient is φ = 4529271285760.

The previous prime is 12031102340053. The next prime is 12031102340129. The reversal of 12031102340120 is 2104320113021.

It is a super-2 number, since 2×120311023401202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12031102340092 and 12031102340101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031102340129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45305891 + ... + 45570669.

Almost surely, 212031102340120 is an apocalyptic number.

12031102340120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031102340120 is an abundant number, since it is smaller than the sum of its proper divisors (16631766899080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12031102340120 is a wasteful number, since it uses less digits than its factorization.

12031102340120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331628 (or 331624 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12031102340120 its reverse (2104320113021), we get a palindrome (14135422453141).

The spelling of 12031102340120 in words is "twelve trillion, thirty-one billion, one hundred two million, three hundred forty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 66821 133642 264779 267284 334105 529558 534568 668210 1059116 1135957 1323895 1336420 2118232 2271914 2647790 2672840 4501243 4543828 5295580 5679785 9002486 9087656 10591160 11359570 18004972 22506215 22719140 36009944 45012430 45438280 90024860 180049720 17692797559 35385595118 70771190236 88463987795 141542380472 176927975590 300777558503 353855951180 601555117006 707711902360 1203110234012 1503887792515 2406220468024 3007775585030 6015551170060 12031102340120