12627690432 has 112 divisors (see below), whose sum is σ = 38963193600. Its totient is φ = 3607892736.

The previous prime is 12627690431. The next prime is 12627690433. The reversal of 12627690432 is 23409672621.

It is an interprime number because it is at equal distance from previous prime (12627690431) and next prime (12627690433).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12627690431) 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, 30018 + ... + 161729.

Almost surely, 2^12627690432 is an apocalyptic number.

12627690432 is a gapful number since it is divisible by the number (12) 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 12627690432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19481596800).

12627690432 is an abundant number, since it is smaller than the sum of its proper divisors (26335503168).

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

12627690432 is an equidigital number, since it uses as much as digits as its factorization.

12627690432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191783 (or 191759 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 12627690432 in words is "twelve billion, six hundred twenty-seven million, six hundred ninety thousand, four hundred thirty-two".