12445746051 has 4 divisors (see below), whose sum is σ = 16594328072. Its totient is φ = 8297164032.

The previous prime is 12445745929. The next prime is 12445746101. The reversal of 12445746051 is 15064754421.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12445746051 - 2⁹ = 12445745539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12445746251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2074291006 + ... + 2074291011.

It is an arithmetic number, because the mean of its divisors is an integer number (4148582018).

Almost surely, 2^12445746051 is an apocalyptic number.

12445746051 is a deficient number, since it is larger than the sum of its proper divisors (4148582021).

12445746051 is an equidigital number, since it uses as much as digits as its factorization.

12445746051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148582020.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 12445746051 in words is "twelve billion, four hundred forty-five million, seven hundred forty-six thousand, fifty-one".