12142508748 has 24 divisors (see below), whose sum is σ = 28421906352. Its totient is φ = 4034733504.

The previous prime is 12142508717. The next prime is 12142508831. The reversal of 12142508748 is 84780524121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1592215 + ... + 1599822.

It is an arithmetic number, because the mean of its divisors is an integer number (1184246098).

Almost surely, 2^12142508748 is an apocalyptic number.

It is an amenable number.

12142508748 is an abundant number, since it is smaller than the sum of its proper divisors (16279397604).

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

12142508748 is a wasteful number, since it uses less digits than its factorization.

12142508748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192361 (or 3192359 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The spelling of 12142508748 in words is "twelve billion, one hundred forty-two million, five hundred eight thousand, seven hundred forty-eight".