32231320212 has 48 divisors (see below), whose sum is σ = 92561743232. Its totient is φ = 8500567680.

The previous prime is 32231320193. The next prime is 32231320259. The reversal of 32231320212 is 21202313223.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14756839 + ... + 14759022.

Almost surely, 2^32231320212 is an apocalyptic number.

It is an amenable number.

32231320212 is an abundant number, since it is smaller than the sum of its proper divisors (60330423020).

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

32231320212 is a wasteful number, since it uses less digits than its factorization.

32231320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29515888 (or 29515886 counting only the distinct ones).

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

Adding to 32231320212 its reverse (21202313223), we get a palindrome (53433633435).

The spelling of 32231320212 in words is "thirty-two billion, two hundred thirty-one million, three hundred twenty thousand, two hundred twelve".