12437386542 has 160 divisors (see below), whose sum is σ = 33211537920. Its totient is φ = 3403632960.

The previous prime is 12437386501. The next prime is 12437386543. The reversal of 12437386542 is 24568373421.

12437386542 is a `hidden beast` number, since 1 + 24 + 3 + 7 + 3 + 86 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12437386543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4306623 + ... + 4309509.

It is an arithmetic number, because the mean of its divisors is an integer number (207572112).

Almost surely, 2^12437386542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12437386542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16605768960).

12437386542 is an abundant number, since it is smaller than the sum of its proper divisors (20774151378).

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

12437386542 is a wasteful number, since it uses less digits than its factorization.

12437386542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068 (or 3059 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 12437386542 in words is "twelve billion, four hundred thirty-seven million, three hundred eighty-six thousand, five hundred forty-two".