22120100010012 has 24 divisors (see below), whose sum is σ = 51680337173136. Its totient is φ = 7363828029568.

The previous prime is 22120100009989. The next prime is 22120100010013. The reversal of 22120100010012 is 21001000102122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 22120100010012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120100010013) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1192320393 + ... + 1192338944.

It is an arithmetic number, because the mean of its divisors is an integer number (2153347382214).

Almost surely, 2^{22120100010012} is an apocalyptic number.

It is an amenable number.

22120100010012 is an abundant number, since it is smaller than the sum of its proper divisors (29560237163124).

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

22120100010012 is a wasteful number, since it uses less digits than its factorization.

22120100010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384660117 (or 2384660115 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22120100010012 its reverse (21001000102122), we get a palindrome (43121100112134).

The spelling of 22120100010012 in words is "twenty-two trillion, one hundred twenty billion, one hundred million, ten thousand, twelve".