12542501051 has 8 divisors (see below), whose sum is σ = 12570215424. Its totient is φ = 12514807080.

The previous prime is 12542501047. The next prime is 12542501057. The reversal of 12542501051 is 15010524521.

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 12542501051 - 2² = 12542501047 is a prime.

It is a super-2 number, since 2×12542501051² (a number of 21 digits) contains 22 as substring.

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 12542501051.

It is not an unprimeable number, because it can be changed into a prime (12542501057) 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, 2162966 + ... + 2168756.

It is an arithmetic number, because the mean of its divisors is an integer number (1571276928).

Almost surely, 2^12542501051 is an apocalyptic number.

12542501051 is a deficient number, since it is larger than the sum of its proper divisors (27714373).

12542501051 is an equidigital number, since it uses as much as digits as its factorization.

12542501051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10201.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 12542501051 in words is "twelve billion, five hundred forty-two million, five hundred one thousand, fifty-one".