12331622136 has 64 divisors (see below), whose sum is σ = 32550076800. Its totient is φ = 3882384000.

The previous prime is 12331622131. The next prime is 12331622203. The reversal of 12331622136 is 63122613321.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331622131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110086 + ... + 191786.

It is an arithmetic number, because the mean of its divisors is an integer number (508594950).

Almost surely, 2^12331622136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12331622136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16275038400).

12331622136 is an abundant number, since it is smaller than the sum of its proper divisors (20218454664).

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

12331622136 is a wasteful number, since it uses less digits than its factorization.

12331622136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82060 (or 82056 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The spelling of 12331622136 in words is "twelve billion, three hundred thirty-one million, six hundred twenty-two thousand, one hundred thirty-six".