12266476242491 has 8 divisors (see below), whose sum is σ = 12439447593984. Its totient is φ = 12093510560040.

The previous prime is 12266476242479. The next prime is 12266476242541. The reversal of 12266476242491 is 19424267466221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12266476242491 is a prime.

It is a super-2 number, since 2×12266476242491² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12266476242451) 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, 3038870 + ... + 5810996.

It is an arithmetic number, because the mean of its divisors is an integer number (1554930949248).

Almost surely, 2^{12266476242491} is an apocalyptic number.

12266476242491 is a deficient number, since it is larger than the sum of its proper divisors (172971351493).

12266476242491 is an equidigital number, since it uses as much as digits as its factorization.

12266476242491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834521.

The product of its digits is 13934592, while the sum is 56.

The spelling of 12266476242491 in words is "twelve trillion, two hundred sixty-six billion, four hundred seventy-six million, two hundred forty-two thousand, four hundred ninety-one".