222200022012212 has 6 divisors (see below), whose sum is σ = 388850038521378. Its totient is φ = 111100011006104.

The previous prime is 222200022012167. The next prime is 222200022012229. The reversal of 222200022012212 is 212210220002222.

It can be written as a sum of positive squares in only one way, i.e., 202175524696336 + 20024497315876 = 14218844^2 + 4474874^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775002751523 + ... + 27775002751530.

It is an arithmetic number, because the mean of its divisors is an integer number (64808339753563).

Almost surely, 2^{222200022012212} is an apocalyptic number.

It is an amenable number.

222200022012212 is a deficient number, since it is larger than the sum of its proper divisors (166650016509166).

222200022012212 is a wasteful number, since it uses less digits than its factorization.

222200022012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55550005503057 (or 55550005503055 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222200022012212 its reverse (212210220002222), we get a palindrome (434410242014434).

The spelling of 222200022012212 in words is "two hundred twenty-two trillion, two hundred billion, twenty-two million, twelve thousand, two hundred twelve".