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12100021112013 = 313503132986967
BaseRepresentation
bin1011000000010100000101…
…1101011100110011001101
31120211202021021110001021120
42300011001131130303031
53041221320401041023
641422401205351153
72356124542311042
oct260050135346315
946752237401246
1012100021112013
11394565451a74a
1214350947084b9
1369a0476b1933
142db9037771c9
1515eb38e2a8e3
hexb014175cccd

12100021112013 has 8 divisors (see below), whose sum is σ = 16133378831808. Its totient is φ = 8066672066784.

The previous prime is 12100021111931. The next prime is 12100021112071. The reversal of 12100021112013 is 31021112000121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12100021112013 - 229 = 12099484241101 is a prime.

It is a super-2 number, since 2×121000211120132 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12100021111983 and 12100021112001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100021112083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2557456 + ... + 5544422.

It is an arithmetic number, because the mean of its divisors is an integer number (2016672353976).

Almost surely, 212100021112013 is an apocalyptic number.

It is an amenable number.

12100021112013 is a deficient number, since it is larger than the sum of its proper divisors (4033357719795).

12100021112013 is a wasteful number, since it uses less digits than its factorization.

12100021112013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337283.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12100021112013 its reverse (31021112000121), we get a palindrome (43121133112134).

The spelling of 12100021112013 in words is "twelve trillion, one hundred billion, twenty-one million, one hundred twelve thousand, thirteen".

Divisors: 1 3 1350313 2986967 4050939 8960901 4033340370671 12100021112013