22012120022212 has 24 divisors (see below), whose sum is σ = 41411379219840. Its totient is φ = 10204947018720.

The previous prime is 22012120022201. The next prime is 22012120022213. The reversal of 22012120022212 is 21222002121022.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 22012120022212.

It is not an unprimeable number, because it can be changed into a prime (22012120022213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3081200239 + ... + 3081207382.

It is an arithmetic number, because the mean of its divisors is an integer number (1725474134160).

Almost surely, 2^{22012120022212} is an apocalyptic number.

It is an amenable number.

22012120022212 is a deficient number, since it is larger than the sum of its proper divisors (19399259197628).

22012120022212 is a wasteful number, since it uses less digits than its factorization.

22012120022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6162407691 (or 6162407689 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22012120022212 its reverse (21222002121022), we get a palindrome (43234122143234).

The spelling of 22012120022212 in words is "twenty-two trillion, twelve billion, one hundred twenty million, twenty-two thousand, two hundred twelve".