22012111110012 has 24 divisors (see below), whose sum is σ = 52203585912912. Its totient is φ = 7217085609600.

The previous prime is 22012111110007. The next prime is 22012111110043. The reversal of 22012111110012 is 21001111121022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22012111109973 and 22012111110000.

It is a congruent number.

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, 15035594289 + ... + 15035595752.

It is an arithmetic number, because the mean of its divisors is an integer number (2175149413038).

Almost surely, 2^{22012111110012} is an apocalyptic number.

It is an amenable number.

22012111110012 is an abundant number, since it is smaller than the sum of its proper divisors (30191474802900).

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

22012111110012 is a wasteful number, since it uses less digits than its factorization.

22012111110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30071190109 (or 30071190107 counting only the distinct ones).

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

Adding to 22012111110012 its reverse (21001111121022), we get a palindrome (43013222231034).

The spelling of 22012111110012 in words is "twenty-two trillion, twelve billion, one hundred eleven million, one hundred ten thousand, twelve".