88012520001 has 20 divisors (see below), whose sum is σ = 150257707072. Its totient is φ = 50292868248.

The previous prime is 88012519997. The next prime is 88012520033. The reversal of 88012520001 is 10002521088.

It is not a de Polignac number, because 88012520001 - 2² = 88012519997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88012520041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 77611885 + ... + 77613018.

Almost surely, 2^88012520001 is an apocalyptic number.

88012520001 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

88012520001 is a deficient number, since it is larger than the sum of its proper divisors (62245187071).

88012520001 is a wasteful number, since it uses less digits than its factorization.

88012520001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155224922 (or 155224913 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The spelling of 88012520001 in words is "eighty-eight billion, twelve million, five hundred twenty thousand, one".