12542967936 has 384 divisors, whose sum is σ = 39697257600. Its totient is φ = 3934199808.

The previous prime is 12542967919. The next prime is 12542967937. The reversal of 12542967936 is 63976924521.

12542967936 is a `hidden beast` number, since 1 + 2 + 542 + 9 + 6 + 7 + 93 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (12542967937) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63669790 + ... + 63669986.

It is an arithmetic number, because the mean of its divisors is an integer number (103378275).

Almost surely, 2^12542967936 is an apocalyptic number.

12542967936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12542967936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19848628800).

12542967936 is an abundant number, since it is smaller than the sum of its proper divisors (27154289664).

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

12542967936 is an equidigital number, since it uses as much as digits as its factorization.

12542967936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 314 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The spelling of 12542967936 in words is "twelve billion, five hundred forty-two million, nine hundred sixty-seven thousand, nine hundred thirty-six".