12013502451 has 8 divisors (see below), whose sum is σ = 16019720640. Its totient is φ = 8008142952.

The previous prime is 12013502399. The next prime is 12013502467. The reversal of 12013502451 is 15420531021.

It is a happy number.

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

It is not a de Polignac number, because 12013502451 - 2⁹ = 12013501939 is a prime.

It is a super-2 number, since 2×12013502451² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12013502051) 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, 181285 + ... + 238518.

It is an arithmetic number, because the mean of its divisors is an integer number (2002465080).

Almost surely, 2^12013502451 is an apocalyptic number.

12013502451 is a deficient number, since it is larger than the sum of its proper divisors (4006218189).

12013502451 is an equidigital number, since it uses as much as digits as its factorization.

12013502451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429345.

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 12013502451 in words is "twelve billion, thirteen million, five hundred two thousand, four hundred fifty-one".