12279755390 has 32 divisors (see below), whose sum is σ = 25327918080. Its totient is φ = 4199084064.

The previous prime is 12279755381. The next prime is 12279755393. The reversal of 12279755390 is 9355797221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12279755393) 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, 204902 + ... + 257961.

It is an arithmetic number, because the mean of its divisors is an integer number (791497440).

Almost surely, 2^12279755390 is an apocalyptic number.

12279755390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12279755390 is an abundant number, since it is smaller than the sum of its proper divisors (13048162690).

12279755390 is a wasteful number, since it uses less digits than its factorization.

12279755390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463256.

The product of its (nonzero) digits is 1190700, while the sum is 50.

The spelling of 12279755390 in words is "twelve billion, two hundred seventy-nine million, seven hundred fifty-five thousand, three hundred ninety".