12379921570 has 8 divisors (see below), whose sum is σ = 22283858844. Its totient is φ = 4951968624.

The previous prime is 12379921559. The next prime is 12379921571. The reversal of 12379921570 is 7512997321.

12379921570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11389371841 + 990549729 = 106721^2 + 31473^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12379921570.

It is not an unprimeable number, because it can be changed into a prime (12379921571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618996069 + ... + 618996088.

Almost surely, 2^12379921570 is an apocalyptic number.

12379921570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12379921570 is a deficient number, since it is larger than the sum of its proper divisors (9903937274).

12379921570 is a wasteful number, since it uses less digits than its factorization.

12379921570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237992164.

The product of its (nonzero) digits is 238140, while the sum is 46.

The spelling of 12379921570 in words is "twelve billion, three hundred seventy-nine million, nine hundred twenty-one thousand, five hundred seventy".