13212022004122 has 16 divisors (see below), whose sum is σ = 19837144526760. Its totient is φ = 6599643547392.

The previous prime is 13212022004101. The next prime is 13212022004131. The reversal of 13212022004122 is 22140022021231.

It can be written as a sum of positive squares in 4 ways, for example, as 12770752757161 + 441269246961 = 3573619^2 + 664281^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13212022004093 and 13212022004102.

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, 7920238 + ... + 9442150.

Almost surely, 2^{13212022004122} is an apocalyptic number.

13212022004122 is a deficient number, since it is larger than the sum of its proper divisors (6625122522638).

13212022004122 is a wasteful number, since it uses less digits than its factorization.

13212022004122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526097.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 13212022004122 its reverse (22140022021231), we get a palindrome (35352044025353).

The spelling of 13212022004122 in words is "thirteen trillion, two hundred twelve billion, twenty-two million, four thousand, one hundred twenty-two".