212963900 has 36 divisors (see below), whose sum is σ = 482229552. Its totient is φ = 81480960.

The previous prime is 212963899. The next prime is 212963903. The reversal of 212963900 is 9369212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212963903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43997 + ... + 48596.

Almost surely, 2^212963900 is an apocalyptic number.

212963900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212963900 is an abundant number, since it is smaller than the sum of its proper divisors (269265652).

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

212963900 is a wasteful number, since it uses less digits than its factorization.

212963900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92630 (or 92623 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 212963900 is about 14593.2827012979. The cubic root of 212963900 is about 597.1755210242.

The spelling of 212963900 in words is "two hundred twelve million, nine hundred sixty-three thousand, nine hundred".