12101012120112 has 80 divisors (see below), whose sum is σ = 32924980880640. Its totient is φ = 3822234862336.

The previous prime is 12101012119991. The next prime is 12101012120143. The reversal of 12101012120112 is 21102121010121.

It is a happy number.

It is a super-2 number, since 2×12101012120112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12101012120091 and 12101012120100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51101787 + ... + 51338042.

It is an arithmetic number, because the mean of its divisors is an integer number (411562261008).

Almost surely, 2^{12101012120112} is an apocalyptic number.

12101012120112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12101012120112 is an abundant number, since it is smaller than the sum of its proper divisors (20823968760528).

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

12101012120112 is a wasteful number, since it uses less digits than its factorization.

12101012120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102439970 (or 102439964 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12101012120112 its reverse (21102121010121), we get a palindrome (33203133130233).

The spelling of 12101012120112 in words is "twelve trillion, one hundred one billion, twelve million, one hundred twenty thousand, one hundred twelve".