212331030122 has 4 divisors (see below), whose sum is σ = 318496545186. Its totient is φ = 106165515060.

The previous prime is 212331030113. The next prime is 212331030181. The reversal of 212331030122 is 221030133212.

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., 127178537641 + 85152492481 = 356621^2 + 291809^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212331030094 and 212331030103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53082757529 + ... + 53082757532.

Almost surely, 2^212331030122 is an apocalyptic number.

212331030122 is a deficient number, since it is larger than the sum of its proper divisors (106165515064).

212331030122 is a wasteful number, since it uses less digits than its factorization.

212331030122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106165515063.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212331030122 its reverse (221030133212), we get a palindrome (433361163334).

The spelling of 212331030122 in words is "two hundred twelve billion, three hundred thirty-one million, thirty thousand, one hundred twenty-two".