12402012334 has 16 divisors (see below), whose sum is σ = 19215429120. Its totient is φ = 5997125880.

The previous prime is 12402012307. The next prime is 12402012347. The reversal of 12402012334 is 43321020421.

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 7 ways as a sum of consecutive naturals, for example, 34557 + ... + 161239.

It is an arithmetic number, because the mean of its divisors is an integer number (1200964320).

Almost surely, 2^12402012334 is an apocalyptic number.

12402012334 is a deficient number, since it is larger than the sum of its proper divisors (6813416786).

12402012334 is a wasteful number, since it uses less digits than its factorization.

12402012334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128295.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12402012334 its reverse (43321020421), we get a palindrome (55723032755).

The spelling of 12402012334 in words is "twelve billion, four hundred two million, twelve thousand, three hundred thirty-four".