12002002524 has 96 divisors (see below), whose sum is σ = 32223744000. Its totient is φ = 3858579648.

The previous prime is 12002002477. The next prime is 12002002561. The reversal of 12002002524 is 42520020021.

12002002524 is a `hidden beast` number, since 120 + 0 + 20 + 0 + 2 + 524 = 666.

It is a super-2 number, since 2×12002002524² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12002002497 and 12002002506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4505617 + ... + 4508279.

It is an arithmetic number, because the mean of its divisors is an integer number (335664000).

Almost surely, 2^12002002524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12002002524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16111872000).

12002002524 is an abundant number, since it is smaller than the sum of its proper divisors (20221741476).

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

12002002524 is a wasteful number, since it uses less digits than its factorization.

12002002524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4144 (or 4136 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

Adding to 12002002524 its reverse (42520020021), we get a palindrome (54522022545).

The spelling of 12002002524 in words is "twelve billion, two million, two thousand, five hundred twenty-four".