12426070721 has 8 divisors (see below), whose sum is σ = 12831045888. Its totient is φ = 12021354000.

The previous prime is 12426070693. The next prime is 12426070739. The reversal of 12426070721 is 12707062421.

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 12426070721 - 2¹⁰ = 12426069697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12426076721) 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, 35606 + ... + 161616.

It is an arithmetic number, because the mean of its divisors is an integer number (1603880736).

Almost surely, 2^12426070721 is an apocalyptic number.

It is an amenable number.

12426070721 is a deficient number, since it is larger than the sum of its proper divisors (404975167).

12426070721 is a wasteful number, since it uses less digits than its factorization.

12426070721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129223.

The product of its (nonzero) digits is 9408, while the sum is 32.

The spelling of 12426070721 in words is "twelve billion, four hundred twenty-six million, seventy thousand, seven hundred twenty-one".