12981469611 has 16 divisors (see below), whose sum is σ = 18892130688. Its totient is φ = 7863393600.

The previous prime is 12981469561. The next prime is 12981469639. The reversal of 12981469611 is 11696418921.

It is not a de Polignac number, because 12981469611 - 2²⁶ = 12914360747 is a prime.

It is a super-2 number, since 2×12981469611² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12981465611) 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, 40210 + ... + 166071.

It is an arithmetic number, because the mean of its divisors is an integer number (1180758168).

Almost surely, 2^12981469611 is an apocalyptic number.

12981469611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12981469611 is a deficient number, since it is larger than the sum of its proper divisors (5910661077).

12981469611 is a wasteful number, since it uses less digits than its factorization.

12981469611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208202.

The product of its digits is 186624, while the sum is 48.

The spelling of 12981469611 in words is "twelve billion, nine hundred eighty-one million, four hundred sixty-nine thousand, six hundred eleven".