212113134122 has 4 divisors (see below), whose sum is σ = 318169701186. Its totient is φ = 106056567060.

The previous prime is 212113134113. The next prime is 212113134139. The reversal of 212113134122 is 221431311212.

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., 210735165481 + 1377968641 = 459059^2 + 37121^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53028283529 + ... + 53028283532.

Almost surely, 2^212113134122 is an apocalyptic number.

212113134122 is a deficient number, since it is larger than the sum of its proper divisors (106056567064).

212113134122 is a wasteful number, since it uses less digits than its factorization.

212113134122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106056567063.

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

Adding to 212113134122 its reverse (221431311212), we get a palindrome (433544445334).

The spelling of 212113134122 in words is "two hundred twelve billion, one hundred thirteen million, one hundred thirty-four thousand, one hundred twenty-two".