12812269216 has 48 divisors (see below), whose sum is σ = 25751779200. Its totient is φ = 6273352960.

The previous prime is 12812269199. The next prime is 12812269229. The reversal of 12812269216 is 61296221821.

It is a happy number.

It is a super-2 number, since 2×12812269216² (a number of 21 digits) contains 22 as substring.

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, 319605 + ... + 357451.

It is an arithmetic number, because the mean of its divisors is an integer number (536495400).

Almost surely, 2^12812269216 is an apocalyptic number.

12812269216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12812269216 is an abundant number, since it is smaller than the sum of its proper divisors (12939509984).

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

12812269216 is a wasteful number, since it uses less digits than its factorization.

12812269216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38077 (or 38069 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The spelling of 12812269216 in words is "twelve billion, eight hundred twelve million, two hundred sixty-nine thousand, two hundred sixteen".