12501522001 has 8 divisors (see below), whose sum is σ = 12994095744. Its totient is φ = 12017090160.

The previous prime is 12501521939. The next prime is 12501522029. The reversal of 12501522001 is 10022510521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12501522001 - 2¹⁵ = 12501489233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12501522001.

It is not an unprimeable number, because it can be changed into a prime (12501522031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2032345 + ... + 2038486.

It is an arithmetic number, because the mean of its divisors is an integer number (1624261968).

Almost surely, 2^12501522001 is an apocalyptic number.

It is an amenable number.

12501522001 is a deficient number, since it is larger than the sum of its proper divisors (492573743).

12501522001 is an equidigital number, since it uses as much as digits as its factorization.

12501522001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070951.

The product of its (nonzero) digits is 200, while the sum is 19.

It can be divided in two parts, 1250152 and 2001, that added together give a triangular number (1252153 = T₁₅₈₂).

The spelling of 12501522001 in words is "twelve billion, five hundred one million, five hundred twenty-two thousand, one".