32023021212 has 72 divisors (see below), whose sum is σ = 99627187296. Its totient is φ = 8445631104.

The previous prime is 32023021201. The next prime is 32023021241. The reversal of 32023021212 is 21212032023.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 4884243 + ... + 4890794.

Almost surely, 2^32023021212 is an apocalyptic number.

It is an amenable number.

32023021212 is an abundant number, since it is smaller than the sum of its proper divisors (67604166084).

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

32023021212 is a wasteful number, since it uses less digits than its factorization.

32023021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9775067 (or 9775062 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 32023021212 its reverse (21212032023), we get a palindrome (53235053235).

The spelling of 32023021212 in words is "thirty-two billion, twenty-three million, twenty-one thousand, two hundred twelve".