13213001211222 has 64 divisors (see below), whose sum is σ = 28170373752000. Its totient is φ = 4117126041600.

The previous prime is 13213001211211. The next prime is 13213001211253. The reversal of 13213001211222 is 22211210031231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284194554 + ... + 284241042.

It is an arithmetic number, because the mean of its divisors is an integer number (440162089875).

Almost surely, 2^{13213001211222} is an apocalyptic number.

13213001211222 is an abundant number, since it is smaller than the sum of its proper divisors (14957372540778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13213001211222 is a wasteful number, since it uses less digits than its factorization.

13213001211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65361.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13213001211222 its reverse (22211210031231), we get a palindrome (35424211242453).

The spelling of 13213001211222 in words is "thirteen trillion, two hundred thirteen billion, one million, two hundred eleven thousand, two hundred twenty-two".