22010231012 has 72 divisors (see below), whose sum is σ = 50456786688. Its totient is φ = 8298763200.

The previous prime is 22010230997. The next prime is 22010231021. The reversal of 22010231012 is 21013201022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97823 + ... + 231494.

It is an arithmetic number, because the mean of its divisors is an integer number (700788704).

Almost surely, 2^22010231012 is an apocalyptic number.

22010231012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22010231012 is an abundant number, since it is smaller than the sum of its proper divisors (28446555676).

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

22010231012 is a wasteful number, since it uses less digits than its factorization.

22010231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329377 (or 329368 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22010231012 its reverse (21013201022), we get a palindrome (43023432034).

The spelling of 22010231012 in words is "twenty-two billion, ten million, two hundred thirty-one thousand, twelve".