12872422152 has 60 divisors (see below), whose sum is σ = 36062792205. Its totient is φ = 4289844672.

The previous prime is 12872422141. The next prime is 12872422159. The reversal of 12872422152 is 25122427821.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

12872422152 is a `hidden beast` number, since 1 + 2 + 87 + 2 + 422 + 152 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12322332036 + 550090116 = 111006^2 + 23454^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=80226.

It is a super-3 number, since 3×12872422152³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12872422159) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2885908 + ... + 2890364.

Almost surely, 2^12872422152 is an apocalyptic number.

12872422152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12872422152 is an abundant number, since it is smaller than the sum of its proper divisors (23190370053).

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

12872422152 is an frugal number, since it uses more digits than its factorization.

12872422152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8932 (or 4462 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

Adding to 12872422152 its reverse (25122427821), we get a palindrome (37994849973).

The spelling of 12872422152 in words is "twelve billion, eight hundred seventy-two million, four hundred twenty-two thousand, one hundred fifty-two".