12139542223430 has 32 divisors (see below), whose sum is σ = 21992229199584. Its totient is φ = 4824477006336.

The previous prime is 12139542223397. The next prime is 12139542223441. The reversal of 12139542223430 is 3432224593121.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18442769 + ... + 19089651.

It is an arithmetic number, because the mean of its divisors is an integer number (687257162487).

Almost surely, 2^{12139542223430} is an apocalyptic number.

12139542223430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12139542223430 is a deficient number, since it is larger than the sum of its proper divisors (9852686976154).

12139542223430 is a wasteful number, since it uses less digits than its factorization.

12139542223430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659000.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 12139542223430 in words is "twelve trillion, one hundred thirty-nine billion, five hundred forty-two million, two hundred twenty-three thousand, four hundred thirty".