12247743790 has 32 divisors (see below), whose sum is σ = 22279419360. Its totient is φ = 4847280000.

The previous prime is 12247743787. The next prime is 12247743791. The reversal of 12247743790 is 9734774221.

It is a self number, because there is not a number n which added to its sum of digits gives 12247743790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12247743791) 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, 1916821 + ... + 1923199.

It is an arithmetic number, because the mean of its divisors is an integer number (696231855).

Almost surely, 2^12247743790 is an apocalyptic number.

12247743790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12247743790 is a deficient number, since it is larger than the sum of its proper divisors (10031675570).

12247743790 is a wasteful number, since it uses less digits than its factorization.

12247743790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8388.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 12247743790 in words is "twelve billion, two hundred forty-seven million, seven hundred forty-three thousand, seven hundred ninety".