12705070051 has 8 divisors (see below), whose sum is σ = 12771080784. Its totient is φ = 12639219840.

The previous prime is 12705069997. The next prime is 12705070061. The reversal of 12705070051 is 15007050721.

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 12705070051 - 2²³ = 12696681443 is a prime.

It is a super-2 number, since 2×12705070051² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12705070061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120231 + ... + 199663.

It is an arithmetic number, because the mean of its divisors is an integer number (1596385098).

Almost surely, 2^12705070051 is an apocalyptic number.

12705070051 is a deficient number, since it is larger than the sum of its proper divisors (66010733).

12705070051 is an equidigital number, since it uses as much as digits as its factorization.

12705070051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80261.

The product of its (nonzero) digits is 2450, while the sum is 28.

The spelling of 12705070051 in words is "twelve billion, seven hundred five million, seventy thousand, fifty-one".