212222031122 has 8 divisors (see below), whose sum is σ = 318531885372. Its totient is φ = 106044736000.

The previous prime is 212222031031. The next prime is 212222031149. The reversal of 212222031122 is 221130222212.

It can be written as a sum of positive squares in 2 ways, for example, as 206271297241 + 5950733881 = 454171^2 + 77141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212222031094 and 212222031103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33135779 + ... + 33142182.

Almost surely, 2^212222031122 is an apocalyptic number.

212222031122 is a deficient number, since it is larger than the sum of its proper divisors (106309854250).

212222031122 is a wasteful number, since it uses less digits than its factorization.

212222031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66279564.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 212222031122 its reverse (221130222212), we get a palindrome (433352253334).

The spelling of 212222031122 in words is "two hundred twelve billion, two hundred twenty-two million, thirty-one thousand, one hundred twenty-two".