12872371512 has 256 divisors, whose sum is σ = 43558502400. Its totient is φ = 3061255680.

The previous prime is 12872371349. The next prime is 12872371529. The reversal of 12872371512 is 21517327821.

It is a super-2 number, since 2×12872371512² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3048939 + ... + 3053157.

It is an arithmetic number, because the mean of its divisors is an integer number (170150400).

Almost surely, 2^12872371512 is an apocalyptic number.

12872371512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12872371512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21779251200).

12872371512 is an abundant number, since it is smaller than the sum of its proper divisors (30686130888).

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

12872371512 is a wasteful number, since it uses less digits than its factorization.

12872371512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386 (or 4382 counting only the distinct ones).

The product of its digits is 47040, while the sum is 39.

The spelling of 12872371512 in words is "twelve billion, eight hundred seventy-two million, three hundred seventy-one thousand, five hundred twelve".