13143452121222 has 128 divisors (see below), whose sum is σ = 27158284468224. Its totient is φ = 4239264895488.

The previous prime is 13143452121211. The next prime is 13143452121257. The reversal of 13143452121222 is 22212125434131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2195328913 + ... + 2195334899.

It is an arithmetic number, because the mean of its divisors is an integer number (212174097408).

Almost surely, 2^{13143452121222} is an apocalyptic number.

13143452121222 is an abundant number, since it is smaller than the sum of its proper divisors (14014832347002).

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

13143452121222 is a wasteful number, since it uses less digits than its factorization.

13143452121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642.

The product of its digits is 23040, while the sum is 33.

Adding to 13143452121222 its reverse (22212125434131), we get a palindrome (35355577555353).

The spelling of 13143452121222 in words is "thirteen trillion, one hundred forty-three billion, four hundred fifty-two million, one hundred twenty-one thousand, two hundred twenty-two".