12002551242 has 64 divisors (see below), whose sum is σ = 28933438464. Its totient is φ = 3274346240.

The previous prime is 12002551193. The next prime is 12002551277. The reversal of 12002551242 is 24215520021.

12002551242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12002551242² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206748 + ... + 258359.

It is an arithmetic number, because the mean of its divisors is an integer number (452084976).

Almost surely, 2^12002551242 is an apocalyptic number.

12002551242 is an abundant number, since it is smaller than the sum of its proper divisors (16930887222).

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

12002551242 is a wasteful number, since it uses less digits than its factorization.

12002551242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465163.

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 12002551242 in words is "twelve billion, two million, five hundred fifty-one thousand, two hundred forty-two".