203120132012 has 12 divisors (see below), whose sum is σ = 406240264080. Its totient is φ = 87051485136.

The previous prime is 203120131979. The next prime is 203120132027. The reversal of 203120132012 is 210231021302.

203120132012 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3627145187 + ... + 3627145242.

It is an arithmetic number, because the mean of its divisors is an integer number (33853355340).

Almost surely, 2^203120132012 is an apocalyptic number.

It is an amenable number.

203120132012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

203120132012 is a wasteful number, since it uses less digits than its factorization.

203120132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7254290440 (or 7254290438 counting only the distinct ones).

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

Adding to 203120132012 its reverse (210231021302), we get a palindrome (413351153314).

The spelling of 203120132012 in words is "two hundred three billion, one hundred twenty million, one hundred thirty-two thousand, twelve".