20220122212 has 6 divisors (see below), whose sum is σ = 35385213878. Its totient is φ = 10110061104.

The previous prime is 20220122203. The next prime is 20220122231. The reversal of 20220122212 is 21222102202.

It can be written as a sum of positive squares in only one way, i.e., 18423718756 + 1796403456 = 135734^2 + 42384^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527515273 + ... + 2527515280.

Almost surely, 2^20220122212 is an apocalyptic number.

It is an amenable number.

20220122212 is a deficient number, since it is larger than the sum of its proper divisors (15165091666).

20220122212 is a wasteful number, since it uses less digits than its factorization.

20220122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055030557 (or 5055030555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20220122212 its reverse (21222102202), we get a palindrome (41442224414).

The spelling of 20220122212 in words is "twenty billion, two hundred twenty million, one hundred twenty-two thousand, two hundred twelve".