12100021112012 has 12 divisors (see below), whose sum is σ = 21235022888856. Its totient is φ = 6032871715200.

The previous prime is 12100021111931. The next prime is 12100021112071. The reversal of 12100021112012 is 21021112000121.

It is a super-2 number, since 2×12100021112012² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4284708614 + ... + 4284711437.

It is an arithmetic number, because the mean of its divisors is an integer number (1769585240738).

Almost surely, 2^{12100021112012} is an apocalyptic number.

It is an amenable number.

12100021112012 is a deficient number, since it is larger than the sum of its proper divisors (9135001776844).

12100021112012 is a wasteful number, since it uses less digits than its factorization.

12100021112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8569420408 (or 8569420406 counting only the distinct ones).

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

Adding to 12100021112012 its reverse (21021112000121), we get a palindrome (33121133112133).

The spelling of 12100021112012 in words is "twelve trillion, one hundred billion, twenty-one million, one hundred twelve thousand, twelve".