1122212210212 has 6 divisors (see below), whose sum is σ = 1963871367878. Its totient is φ = 561106105104.

The previous prime is 1122212210209. The next prime is 1122212210227. The reversal of 1122212210212 is 2120122122211.

It can be written as a sum of positive squares in only one way, i.e., 1107579437056 + 14632773156 = 1052416^2 + 120966^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1122212210212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140276526273 + ... + 140276526280.

Almost surely, 2^{1122212210212} is an apocalyptic number.

It is an amenable number.

1122212210212 is a deficient number, since it is larger than the sum of its proper divisors (841659157666).

1122212210212 is a wasteful number, since it uses less digits than its factorization.

1122212210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280553052557 (or 280553052555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1122212210212 its reverse (2120122122211), we get a palindrome (3242334332423).

The spelling of 1122212210212 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, two hundred ten thousand, two hundred twelve".