12737765216 has 48 divisors (see below), whose sum is σ = 27393402960. Its totient is φ = 5782241280.

The previous prime is 12737765197. The next prime is 12737765231. The reversal of 12737765216 is 61256773721.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247160 + ... + 294216.

It is an arithmetic number, because the mean of its divisors is an integer number (570695895).

Almost surely, 2^12737765216 is an apocalyptic number.

12737765216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12737765216 is an abundant number, since it is smaller than the sum of its proper divisors (14655637744).

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

12737765216 is a wasteful number, since it uses less digits than its factorization.

12737765216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47847 (or 47839 counting only the distinct ones).

The product of its digits is 740880, while the sum is 47.

The spelling of 12737765216 in words is "twelve billion, seven hundred thirty-seven million, seven hundred sixty-five thousand, two hundred sixteen".