12152619028 has 18 divisors (see below), whose sum is σ = 23376216458. Its totient is φ = 5523917520.

The previous prime is 12152619019. The next prime is 12152619029. The reversal of 12152619028 is 82091625121.

It can be written as a sum of positive squares in only one way, i.e., 11935999504 + 216619524 = 109252^2 + 14718^2 .

It is a super-2 number, since 2×12152619028² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152619029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12553875 + ... + 12554842.

Almost surely, 2^12152619028 is an apocalyptic number.

It is an amenable number.

12152619028 is a deficient number, since it is larger than the sum of its proper divisors (11223597430).

12152619028 is a wasteful number, since it uses less digits than its factorization.

12152619028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25108743 (or 25108730 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

The spelling of 12152619028 in words is "twelve billion, one hundred fifty-two million, six hundred nineteen thousand, twenty-eight".