13402120012 has 12 divisors (see below), whose sum is σ = 24210281536. Its totient is φ = 6484896720.

The previous prime is 13402120009. The next prime is 13402120013. The reversal of 13402120012 is 21002120431.

It is not an unprimeable number, because it can be changed into a prime (13402120013) 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, 54040683 + ... + 54040930.

Almost surely, 2^13402120012 is an apocalyptic number.

It is an amenable number.

13402120012 is a deficient number, since it is larger than the sum of its proper divisors (10808161524).

13402120012 is a wasteful number, since it uses less digits than its factorization.

13402120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108081648 (or 108081646 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 13402120012 its reverse (21002120431), we get a palindrome (34404240443).

The spelling of 13402120012 in words is "thirteen billion, four hundred two million, one hundred twenty thousand, twelve".