12260961499 has 4 divisors (see below), whose sum is σ = 12261198664. Its totient is φ = 12260724336.

The previous prime is 12260961431. The next prime is 12260961511. The reversal of 12260961499 is 99416906221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12260961499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12260961199) 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, 4362 + ... + 156655.

It is an arithmetic number, because the mean of its divisors is an integer number (3065299666).

Almost surely, 2^12260961499 is an apocalyptic number.

12260961499 is a deficient number, since it is larger than the sum of its proper divisors (237165).

12260961499 is an equidigital number, since it uses as much as digits as its factorization.

12260961499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237164.

The product of its (nonzero) digits is 419904, while the sum is 49.

The spelling of 12260961499 in words is "twelve billion, two hundred sixty million, nine hundred sixty-one thousand, four hundred ninety-nine".