13212111121122 has 16 divisors (see below), whose sum is σ = 26432436213792. Its totient is φ = 4402668045120.

The previous prime is 13212111121087. The next prime is 13212111121123. The reversal of 13212111121122 is 22112111121231.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13212111121123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342227904 + ... + 342266507.

It is an arithmetic number, because the mean of its divisors is an integer number (1652027263362).

Almost surely, 2^{13212111121122} is an apocalyptic number.

13212111121122 is an abundant number, since it is smaller than the sum of its proper divisors (13220325092670).

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

13212111121122 is a wasteful number, since it uses less digits than its factorization.

13212111121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684497633.

The product of its digits is 96, while the sum is 21.

Adding to 13212111121122 its reverse (22112111121231), we get a palindrome (35324222242353).

The spelling of 13212111121122 in words is "thirteen trillion, two hundred twelve billion, one hundred eleven million, one hundred twenty-one thousand, one hundred twenty-two".