12101601570 has 64 divisors (see below), whose sum is σ = 30690385920. Its totient is φ = 3047698368.

The previous prime is 12101601559. The next prime is 12101601641. The reversal of 12101601570 is 7510610121.

It is a self number, because there is not a number n which added to its sum of digits gives 12101601570.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56494 + ... + 165513.

It is an arithmetic number, because the mean of its divisors is an integer number (479537280).

Almost surely, 2^12101601570 is an apocalyptic number.

12101601570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101601570 is an abundant number, since it is smaller than the sum of its proper divisors (18588784350).

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

12101601570 is a wasteful number, since it uses less digits than its factorization.

12101601570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222119.

The product of its (nonzero) digits is 420, while the sum is 24.

The spelling of 12101601570 in words is "twelve billion, one hundred one million, six hundred one thousand, five hundred seventy".