32130211212 has 72 divisors (see below), whose sum is σ = 93264749760. Its totient is φ = 9223981920.

The previous prime is 32130211187. The next prime is 32130211213. The reversal of 32130211212 is 21211203123.

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

It is not an unprimeable number, because it can be changed into a prime (32130211213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2127658 + ... + 2142705.

Almost surely, 2^32130211212 is an apocalyptic number.

It is an amenable number.

32130211212 is an abundant number, since it is smaller than the sum of its proper divisors (61134538548).

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

32130211212 is a wasteful number, since it uses less digits than its factorization.

32130211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270403 (or 4270398 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 32130211212 its reverse (21211203123), we get a palindrome (53341414335).

It can be divided in two parts, 32130 and 211212, that added together give a palindrome (243342).

The spelling of 32130211212 in words is "thirty-two billion, one hundred thirty million, two hundred eleven thousand, two hundred twelve".