12097308961 has 4 divisors (see below), whose sum is σ = 12100618800. Its totient is φ = 12093999124.

The previous prime is 12097308931. The next prime is 12097308983. The reversal of 12097308961 is 16980379021.

It is a happy number.

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 12097308961 - 2¹⁷ = 12097177889 is a prime.

It is a super-3 number, since 3×12097308961³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12097308931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649431 + ... + 1656748.

It is an arithmetic number, because the mean of its divisors is an integer number (3025154700).

Almost surely, 2^12097308961 is an apocalyptic number.

It is an amenable number.

12097308961 is a deficient number, since it is larger than the sum of its proper divisors (3309839).

12097308961 is an equidigital number, since it uses as much as digits as its factorization.

12097308961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309838.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 12097308961 in words is "twelve billion, ninety-seven million, three hundred eight thousand, nine hundred sixty-one".