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120000002111220 = 223571123310691997
BaseRepresentation
bin11011010010001110101101…
…011111111011011011110100
3120201212212222110202021222210
4123102032231133323123310
5111212040001020024340
61103115123454053420
734163466630136260
oct3322165537733364
9521785873667883
10120000002111220
1135265795886420
1211560979aaa270
1351c5c4a9b890a
14218c06145d0a0
15dd171e921180
hex6d23ad7fb6f4

120000002111220 has 768 divisors, whose sum is σ = 438578045337600. Its totient is φ = 23816688445440.

The previous prime is 120000002111107. The next prime is 120000002111279. The reversal of 120000002111220 is 22111200000021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120000002111196 and 120000002111205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 60090135262 + ... + 60090137258.

It is an arithmetic number, because the mean of its divisors is an integer number (571065163200).

Almost surely, 2120000002111220 is an apocalyptic number.

120000002111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120000002111220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219289022668800).

120000002111220 is an abundant number, since it is smaller than the sum of its proper divisors (318578043226380).

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

120000002111220 is a wasteful number, since it uses less digits than its factorization.

120000002111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165 (or 3117 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120000002111220 its reverse (22111200000021), we get a palindrome (142111202111241).

The spelling of 120000002111220 in words is "one hundred twenty trillion, two million, one hundred eleven thousand, two hundred twenty".