12412761616 has 40 divisors (see below), whose sum is σ = 25489689984. Its totient is φ = 5835502080.

The previous prime is 12412761589. The next prime is 12412761619. The reversal of 12412761616 is 61616721421.

It is not an unprimeable number, because it can be changed into a prime (12412761619) 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, 258301 + ... + 302563.

Almost surely, 2^12412761616 is an apocalyptic number.

12412761616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12412761616 is an abundant number, since it is smaller than the sum of its proper divisors (13076928368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12412761616 is a wasteful number, since it uses less digits than its factorization.

12412761616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45319 (or 45313 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The spelling of 12412761616 in words is "twelve billion, four hundred twelve million, seven hundred sixty-one thousand, six hundred sixteen".