203212554253156 has 48 divisors (see below), whose sum is σ = 415556735577984. Its totient is φ = 85145930378496.

The previous prime is 203212554253141. The next prime is 203212554253169. The reversal of 203212554253156 is 651352455212302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241515865 + ... + 242355808.

It is an arithmetic number, because the mean of its divisors is an integer number (8657431991208).

Almost surely, 2^{203212554253156} is an apocalyptic number.

It is an amenable number.

203212554253156 is an abundant number, since it is smaller than the sum of its proper divisors (212344181324828).

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

203212554253156 is a wasteful number, since it uses less digits than its factorization.

203212554253156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483872020 (or 483872018 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 203212554253156 in words is "two hundred three trillion, two hundred twelve billion, five hundred fifty-four million, two hundred fifty-three thousand, one hundred fifty-six".