12331642770 has 128 divisors (see below), whose sum is σ = 35420774400. Its totient is φ = 3042857664.

The previous prime is 12331642759. The next prime is 12331642781. The reversal of 12331642770 is 7724613321.

12331642770 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 1 + 642 + 7 + 7 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (12331642759) and next prime (12331642781).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 192639 + ... + 248541.

It is an arithmetic number, because the mean of its divisors is an integer number (276724800).

Almost surely, 2^12331642770 is an apocalyptic number.

12331642770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12331642770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17710387200).

12331642770 is an abundant number, since it is smaller than the sum of its proper divisors (23089131630).

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

12331642770 is a wasteful number, since it uses less digits than its factorization.

12331642770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55981 (or 55975 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The spelling of 12331642770 in words is "twelve billion, three hundred thirty-one million, six hundred forty-two thousand, seven hundred seventy".