12970581121 has 4 divisors (see below), whose sum is σ = 13164171952. Its totient is φ = 12776990292.

The previous prime is 12970581119. The next prime is 12970581131. The reversal of 12970581121 is 12118507921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12970581121 - 2¹ = 12970581119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12970581131) 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, 96795315 + ... + 96795448.

It is an arithmetic number, because the mean of its divisors is an integer number (3291042988).

Almost surely, 2^12970581121 is an apocalyptic number.

It is an amenable number.

12970581121 is a deficient number, since it is larger than the sum of its proper divisors (193590831).

12970581121 is an equidigital number, since it uses as much as digits as its factorization.

12970581121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193590830.

The product of its (nonzero) digits is 10080, while the sum is 37.

The spelling of 12970581121 in words is "twelve billion, nine hundred seventy million, five hundred eighty-one thousand, one hundred twenty-one".