12388263734 has 64 divisors (see below), whose sum is σ = 23880310272. Its totient is φ = 4679596800.

The previous prime is 12388263733. The next prime is 12388263757. The reversal of 12388263734 is 43736288321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12388263731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1023164 + ... + 1035200.

It is an arithmetic number, because the mean of its divisors is an integer number (373129848).

Almost surely, 2^12388263734 is an apocalyptic number.

12388263734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12388263734 is a deficient number, since it is larger than the sum of its proper divisors (11492046538).

12388263734 is a wasteful number, since it uses less digits than its factorization.

12388263734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12261.

The product of its digits is 1161216, while the sum is 47.

The spelling of 12388263734 in words is "twelve billion, three hundred eighty-eight million, two hundred sixty-three thousand, seven hundred thirty-four".