12124184372542 has 16 divisors (see below), whose sum is σ = 19886699322864. Its totient is φ = 5497902648000.

The previous prime is 12124184372519. The next prime is 12124184372543. The reversal of 12124184372542 is 24527348142121.

It is a junction number, because it is equal to n+sod(n) for n = 12124184372492 and 12124184372501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124184372543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654502959 + ... + 654521482.

It is an arithmetic number, because the mean of its divisors is an integer number (1242918707679).

Almost surely, 2^{12124184372542} is an apocalyptic number.

12124184372542 is a deficient number, since it is larger than the sum of its proper divisors (7762514950322).

12124184372542 is a wasteful number, since it uses less digits than its factorization.

12124184372542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309024875.

The product of its digits is 860160, while the sum is 46.

The spelling of 12124184372542 in words is "twelve trillion, one hundred twenty-four billion, one hundred eighty-four million, three hundred seventy-two thousand, five hundred forty-two".