12255879770 has 8 divisors (see below), whose sum is σ = 22060583604. Its totient is φ = 4902351904.

The previous prime is 12255879761. The next prime is 12255879773. The reversal of 12255879770 is 7797855221.

It can be written as a sum of positive squares in 2 ways, for example, as 11822865289 + 433014481 = 108733^2 + 20809^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12255879773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612793979 + ... + 612793998.

Almost surely, 2^12255879770 is an apocalyptic number.

12255879770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12255879770 is a deficient number, since it is larger than the sum of its proper divisors (9804703834).

12255879770 is a wasteful number, since it uses less digits than its factorization.

12255879770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225587984.

The product of its (nonzero) digits is 2469600, while the sum is 53.

The spelling of 12255879770 in words is "twelve billion, two hundred fifty-five million, eight hundred seventy-nine thousand, seven hundred seventy".