22012010312 has 32 divisors (see below), whose sum is σ = 43750044000. Its totient is φ = 10346805504.

The previous prime is 22012010311. The next prime is 22012010323. The reversal of 22012010312 is 21301021022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22012010311) 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, 28439 + ... + 211737.

It is an arithmetic number, because the mean of its divisors is an integer number (1367188875).

Almost surely, 2^22012010312 is an apocalyptic number.

It is an amenable number.

22012010312 is a deficient number, since it is larger than the sum of its proper divisors (21738033688).

22012010312 is a wasteful number, since it uses less digits than its factorization.

22012010312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184205 (or 184201 counting only the distinct ones).

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

Adding to 22012010312 its reverse (21301021022), we get a palindrome (43313031334).

The spelling of 22012010312 in words is "twenty-two billion, twelve million, ten thousand, three hundred twelve".