112121021000012 has 24 divisors (see below), whose sum is σ = 198259936462560. Its totient is φ = 55475915673600.

The previous prime is 112121020999957. The next prime is 112121021000029. The reversal of 112121021000012 is 210000120121211.

It is a super-2 number, since 2×112121021000012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73090613 + ... + 74608844.

It is an arithmetic number, because the mean of its divisors is an integer number (8260830685940).

Almost surely, 2^{112121021000012} is an apocalyptic number.

It is an amenable number.

112121021000012 is a deficient number, since it is larger than the sum of its proper divisors (86138915462548).

112121021000012 is a wasteful number, since it uses less digits than its factorization.

112121021000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147701441 (or 147701439 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112121021000012 its reverse (210000120121211), we get a palindrome (322121141121223).

The spelling of 112121021000012 in words is "one hundred twelve trillion, one hundred twenty-one billion, twenty-one million, twelve", and thus it is an aban number.