1212122022212 has 24 divisors (see below), whose sum is σ = 2125307935296. Its totient is φ = 604891411488.

The previous prime is 1212122022187. The next prime is 1212122022257. The reversal of 1212122022212 is 2122202212121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27662873 + ... + 27706655.

It is an arithmetic number, because the mean of its divisors is an integer number (88554497304).

Almost surely, 2^{1212122022212} is an apocalyptic number.

It is an amenable number.

1212122022212 is a deficient number, since it is larger than the sum of its proper divisors (913185913084).

1212122022212 is a wasteful number, since it uses less digits than its factorization.

1212122022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56987 (or 56985 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1212122022212 its reverse (2122202212121), we get a palindrome (3334324234333).

The spelling of 1212122022212 in words is "one trillion, two hundred twelve billion, one hundred twenty-two million, twenty-two thousand, two hundred twelve".