12402022042012 has 12 divisors (see below), whose sum is σ = 21703662020656. Its totient is φ = 6200975750400.

The previous prime is 12402022041947. The next prime is 12402022042013. The reversal of 12402022042012 is 21024022020421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402022042013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8018448 + ... + 9439255.

Almost surely, 2^{12402022042012} is an apocalyptic number.

It is an amenable number.

12402022042012 is a deficient number, since it is larger than the sum of its proper divisors (9301639978644).

12402022042012 is a wasteful number, since it uses less digits than its factorization.

12402022042012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17635308 (or 17635306 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 12402022042012 its reverse (21024022020421), we get a palindrome (33426044062433).

The spelling of 12402022042012 in words is "twelve trillion, four hundred two billion, twenty-two million, forty-two thousand, twelve".