32313222012 has 12 divisors (see below), whose sum is σ = 75397518056. Its totient is φ = 10771074000.

The previous prime is 32313221959. The next prime is 32313222037. The reversal of 32313222012 is 21022231323.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 32313222012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346384239 + ... + 1346384262.

Almost surely, 2^32313222012 is an apocalyptic number.

It is an amenable number.

32313222012 is an abundant number, since it is smaller than the sum of its proper divisors (43084296044).

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

32313222012 is a wasteful number, since it uses less digits than its factorization.

32313222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692768508 (or 2692768506 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 32313222012 its reverse (21022231323), we get a palindrome (53335453335).

The spelling of 32313222012 in words is "thirty-two billion, three hundred thirteen million, two hundred twenty-two thousand, twelve".