2131212032 has 18 divisors (see below), whose sum is σ = 4254099528. Its totient is φ = 1065605888.

The previous prime is 2131212023. The next prime is 2131212049. The reversal of 2131212032 is 2302121312.

It is a self number, because there is not a number n which added to its sum of digits gives 2131212032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4162268 + ... + 4162779.

Almost surely, 2^2131212032 is an apocalyptic number.

It is an amenable number.

2131212032 is a deficient number, since it is larger than the sum of its proper divisors (2122887496).

2131212032 is an frugal number, since it uses more digits than its factorization.

2131212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8325063 (or 8325049 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2131212032 is about 46165.0520632220. The cubic root of 2131212032 is about 1286.8923517363.

Adding to 2131212032 its reverse (2302121312), we get a palindrome (4433333344).

The spelling of 2131212032 in words is "two billion, one hundred thirty-one million, two hundred twelve thousand, thirty-two".