13121322020222 has 16 divisors (see below), whose sum is σ = 21196085091552. Its totient is φ = 6055965245280.

The previous prime is 13121322020129. The next prime is 13121322020263. The reversal of 13121322020222 is 22202022312131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4752272 + ... + 6987612.

It is an arithmetic number, because the mean of its divisors is an integer number (1324755318222).

Almost surely, 2^{13121322020222} is an apocalyptic number.

13121322020222 is a deficient number, since it is larger than the sum of its proper divisors (8074763071330).

13121322020222 is a wasteful number, since it uses less digits than its factorization.

13121322020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461123.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13121322020222 its reverse (22202022312131), we get a palindrome (35323344332353).

The spelling of 13121322020222 in words is "thirteen trillion, one hundred twenty-one billion, three hundred twenty-two million, twenty thousand, two hundred twenty-two".