203164012 has 6 divisors (see below), whose sum is σ = 355537028. Its totient is φ = 101582004.

The previous prime is 203164009. The next prime is 203164019. The reversal of 203164012 is 210461302.

It is a super-2 number, since 2×203164012² = 82551231543872288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203164019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25395498 + ... + 25395505.

Almost surely, 2^203164012 is an apocalyptic number.

It is an amenable number.

203164012 is a deficient number, since it is larger than the sum of its proper divisors (152373016).

203164012 is a wasteful number, since it uses less digits than its factorization.

203164012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50791007 (or 50791005 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 203164012 is about 14253.5613795290. The cubic root of 203164012 is about 587.8713024520.

The spelling of 203164012 in words is "two hundred three million, one hundred sixty-four thousand, twelve".