12162431234 has 16 divisors (see below), whose sum is σ = 19479569472. Its totient is φ = 5681539248.

The previous prime is 12162431219. The next prime is 12162431269. The reversal of 12162431234 is 43213426121.

It is a junction number, because it is equal to n+sod(n) for n = 12162431197 and 12162431206.

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 7 ways as a sum of consecutive naturals, for example, 3072449 + ... + 3076404.

It is an arithmetic number, because the mean of its divisors is an integer number (1217473092).

Almost surely, 2^12162431234 is an apocalyptic number.

12162431234 is a deficient number, since it is larger than the sum of its proper divisors (7317138238).

12162431234 is a wasteful number, since it uses less digits than its factorization.

12162431234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6148921.

The product of its digits is 6912, while the sum is 29.

Adding to 12162431234 its reverse (43213426121), we get a palindrome (55375857355).

The spelling of 12162431234 in words is "twelve billion, one hundred sixty-two million, four hundred thirty-one thousand, two hundred thirty-four".