20112332211012 has 48 divisors (see below), whose sum is σ = 47087919470592. Its totient is φ = 6681383390880.

The previous prime is 20112332210983. The next prime is 20112332211031. The reversal of 20112332211012 is 21011223321102.

It is a super-2 number, since 2×20112332211012² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20112332211012.

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, 20963683 + ... + 21902069.

It is an arithmetic number, because the mean of its divisors is an integer number (980998322304).

Almost surely, 2^{20112332211012} is an apocalyptic number.

It is an amenable number.

20112332211012 is an abundant number, since it is smaller than the sum of its proper divisors (26975587259580).

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

20112332211012 is a wasteful number, since it uses less digits than its factorization.

20112332211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944448 (or 944446 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20112332211012 its reverse (21011223321102), we get a palindrome (41123555532114).

The spelling of 20112332211012 in words is "twenty trillion, one hundred twelve billion, three hundred thirty-two million, two hundred eleven thousand, twelve".