2212131312122 has 4 divisors (see below), whose sum is σ = 3318196968186. Its totient is φ = 1106065656060.

The previous prime is 2212131312121. The next prime is 2212131312137.

2212131312122 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2202727937281 + 9403374841 = 1484159^2 + 96971^2 .

It is not an unprimeable number, because it can be changed into a prime (2212131312121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553032828029 + ... + 553032828032.

Almost surely, 2^{2212131312122} is an apocalyptic number.

2212131312122 is a deficient number, since it is larger than the sum of its proper divisors (1106065656064).

2212131312122 is a wasteful number, since it uses less digits than its factorization.

2212131312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106065656063.

The product of its digits is 576, while the sum is 23.

The spelling of 2212131312122 in words is "two trillion, two hundred twelve billion, one hundred thirty-one million, three hundred twelve thousand, one hundred twenty-two".