32121232312 has 16 divisors (see below), whose sum is σ = 64860180840. Its totient is φ = 14825184096.

The previous prime is 32121232307. The next prime is 32121232349. The reversal of 32121232312 is 21323212123.

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, 154428898 + ... + 154429105.

Almost surely, 2^32121232312 is an apocalyptic number.

It is an amenable number.

32121232312 is an abundant number, since it is smaller than the sum of its proper divisors (32738948528).

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

32121232312 is a wasteful number, since it uses less digits than its factorization.

32121232312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308858022 (or 308858018 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

Adding to 32121232312 its reverse (21323212123), we get a palindrome (53444444435).

The spelling of 32121232312 in words is "thirty-two billion, one hundred twenty-one million, two hundred thirty-two thousand, three hundred twelve".