12334511640 has 64 divisors (see below), whose sum is σ = 40367496960. Its totient is φ = 2990184320.

The previous prime is 12334511591. The next prime is 12334511689. The reversal of 12334511640 is 4611543321.

It is an interprime number because it is at equal distance from previous prime (12334511591) and next prime (12334511689).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12334511598 and 12334511607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4670844 + ... + 4673483.

It is an arithmetic number, because the mean of its divisors is an integer number (630742140).

Almost surely, 2^12334511640 is an apocalyptic number.

12334511640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12334511640 is an abundant number, since it is smaller than the sum of its proper divisors (28032985320).

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

12334511640 is a wasteful number, since it uses less digits than its factorization.

12334511640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9344352 (or 9344348 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 12334511640 in words is "twelve billion, three hundred thirty-four million, five hundred eleven thousand, six hundred forty".