12811499662 has 8 divisors (see below), whose sum is σ = 20695499496. Its totient is φ = 5912999832.

The previous prime is 12811499627. The next prime is 12811499663. The reversal of 12811499662 is 26699411821.

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

It is a super-2 number, since 2×12811499662² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12811499663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246374968 + ... + 246375019.

It is an arithmetic number, because the mean of its divisors is an integer number (2586937437).

Almost surely, 2^12811499662 is an apocalyptic number.

12811499662 is a deficient number, since it is larger than the sum of its proper divisors (7883999834).

12811499662 is a wasteful number, since it uses less digits than its factorization.

12811499662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492750002.

The product of its digits is 373248, while the sum is 49.

The spelling of 12811499662 in words is "twelve billion, eight hundred eleven million, four hundred ninety-nine thousand, six hundred sixty-two".