12919157630 has 32 divisors (see below), whose sum is σ = 23352634368. Its totient is φ = 5145901600.

The previous prime is 12919157627. The next prime is 12919157659. The reversal of 12919157630 is 3675191921.

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, 2467115 + ... + 2472345.

It is an arithmetic number, because the mean of its divisors is an integer number (729769824).

Almost surely, 2^12919157630 is an apocalyptic number.

12919157630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12919157630 is a deficient number, since it is larger than the sum of its proper divisors (10433476738).

12919157630 is a wasteful number, since it uses less digits than its factorization.

12919157630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232.

The product of its (nonzero) digits is 102060, while the sum is 44.

The spelling of 12919157630 in words is "twelve billion, nine hundred nineteen million, one hundred fifty-seven thousand, six hundred thirty".