203155232625122 has 16 divisors (see below), whose sum is σ = 306202190861952. Its totient is φ = 101087914635120.

The previous prime is 203155232625097. The next prime is 203155232625133. The reversal of 203155232625122 is 221526232551302.

It is a self number, because there is not a number n which added to its sum of digits gives 203155232625122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14587658 + ... + 24881925.

It is an arithmetic number, because the mean of its divisors is an integer number (19137636928872).

Almost surely, 2^{203155232625122} is an apocalyptic number.

203155232625122 is a deficient number, since it is larger than the sum of its proper divisors (103046958236830).

203155232625122 is a wasteful number, since it uses less digits than its factorization.

203155232625122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39481993.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 203155232625122 in words is "two hundred three trillion, one hundred fifty-five billion, two hundred thirty-two million, six hundred twenty-five thousand, one hundred twenty-two".