12919492352 has 144 divisors (see below), whose sum is σ = 28603180032. Its totient is φ = 5786726400.

The previous prime is 12919492343. The next prime is 12919492367. The reversal of 12919492352 is 25329491921.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 12919492297 and 12919492306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23618543 + ... + 23619089.

Almost surely, 2^12919492352 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 12919492352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14301590016).

12919492352 is an abundant number, since it is smaller than the sum of its proper divisors (15683687680).

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

12919492352 is a wasteful number, since it uses less digits than its factorization.

12919492352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 760 counting only the distinct ones).

The product of its digits is 349920, while the sum is 47.

The spelling of 12919492352 in words is "twelve billion, nine hundred nineteen million, four hundred ninety-two thousand, three hundred fifty-two".