201142120995 has 16 divisors (see below), whose sum is σ = 357585993120. Its totient is φ = 107275797792.

The previous prime is 201142120987. The next prime is 201142121021. The reversal of 201142120995 is 599021241102.

201142120995 is a `hidden beast` number, since 20 + 1 + 1 + 421 + 209 + 9 + 5 = 666.

It is not a de Polignac number, because 201142120995 - 2³ = 201142120987 is a prime.

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, 744970684 + ... + 744970953.

It is an arithmetic number, because the mean of its divisors is an integer number (22349124570).

Almost surely, 2^201142120995 is an apocalyptic number.

201142120995 is a deficient number, since it is larger than the sum of its proper divisors (156443872125).

201142120995 is a wasteful number, since it uses less digits than its factorization.

201142120995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489941651 (or 1489941645 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The spelling of 201142120995 in words is "two hundred one billion, one hundred forty-two million, one hundred twenty thousand, nine hundred ninety-five".