12261976246 has 32 divisors (see below), whose sum is σ = 20901343680. Its totient is φ = 5352466944.

The previous prime is 12261976241. The next prime is 12261976247. The reversal of 12261976246 is 64267916221.

It is a super-2 number, since 2×12261976246² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 12261976196 and 12261976205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12261976241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61975 + ... + 168418.

It is an arithmetic number, because the mean of its divisors is an integer number (653166990).

Almost surely, 2^12261976246 is an apocalyptic number.

12261976246 is a deficient number, since it is larger than the sum of its proper divisors (8639367434).

12261976246 is a wasteful number, since it uses less digits than its factorization.

12261976246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230520.

The product of its digits is 435456, while the sum is 46.

The spelling of 12261976246 in words is "twelve billion, two hundred sixty-one million, nine hundred seventy-six thousand, two hundred forty-six".