203210210312 has 32 divisors (see below), whose sum is σ = 389727832320. Its totient is φ = 99289476480.

The previous prime is 203210210309. The next prime is 203210210347. The reversal of 203210210312 is 213012012302.

It is a super-2 number, since 2×203210210312² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174389 + ... + 660932.

It is an arithmetic number, because the mean of its divisors is an integer number (12178994760).

Almost surely, 2^203210210312 is an apocalyptic number.

It is an amenable number.

203210210312 is a deficient number, since it is larger than the sum of its proper divisors (186517622008).

203210210312 is a wasteful number, since it uses less digits than its factorization.

203210210312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836021 (or 836017 counting only the distinct ones).

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

Adding to 203210210312 its reverse (213012012302), we get a palindrome (416222222614).

The spelling of 203210210312 in words is "two hundred three billion, two hundred ten million, two hundred ten thousand, three hundred twelve".