203116157121272 has 8 divisors (see below), whose sum is σ = 380842794602400. Its totient is φ = 101558078560632.

The previous prime is 203116157121257. The next prime is 203116157121377. The reversal of 203116157121272 is 272121751611302.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×203116157121272² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12694759820072 + ... + 12694759820087.

It is an arithmetic number, because the mean of its divisors is an integer number (47605349325300).

Almost surely, 2^{203116157121272} is an apocalyptic number.

It is an amenable number.

203116157121272 is a deficient number, since it is larger than the sum of its proper divisors (177726637481128).

203116157121272 is a wasteful number, since it uses less digits than its factorization.

203116157121272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25389519640165 (or 25389519640161 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 203116157121272 in words is "two hundred three trillion, one hundred sixteen billion, one hundred fifty-seven million, one hundred twenty-one thousand, two hundred seventy-two".