12140677856 has 48 divisors (see below), whose sum is σ = 24743381040. Its totient is φ = 5856936960.

The previous prime is 12140677837. The next prime is 12140677867. The reversal of 12140677856 is 65877604121.

It is a self number, because there is not a number n which added to its sum of digits gives 12140677856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1654676 + ... + 1661996.

It is an arithmetic number, because the mean of its divisors is an integer number (515487105).

Almost surely, 2^12140677856 is an apocalyptic number.

12140677856 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 12140677856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12371690520).

12140677856 is an abundant number, since it is smaller than the sum of its proper divisors (12602703184).

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

12140677856 is a wasteful number, since it uses less digits than its factorization.

12140677856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9147 (or 9139 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 12140677856 in words is "twelve billion, one hundred forty million, six hundred seventy-seven thousand, eight hundred fifty-six".