13121404031422 has 32 divisors (see below), whose sum is σ = 20928238531200. Its totient is φ = 6148600055808.

The previous prime is 13121404031377. The next prime is 13121404031447. The reversal of 13121404031422 is 22413040412131.

It is a happy number.

13121404031422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201435354 + ... + 201500482.

It is an arithmetic number, because the mean of its divisors is an integer number (654007454100).

Almost surely, 2^{13121404031422} is an apocalyptic number.

13121404031422 is a deficient number, since it is larger than the sum of its proper divisors (7806834499778).

13121404031422 is a wasteful number, since it uses less digits than its factorization.

13121404031422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90180.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 13121404031422 its reverse (22413040412131), we get a palindrome (35534444443553).

The spelling of 13121404031422 in words is "thirteen trillion, one hundred twenty-one billion, four hundred four million, thirty-one thousand, four hundred twenty-two".