1122211203212 has 192 divisors, whose sum is σ = 2306697523200. Its totient is φ = 472681440000.

The previous prime is 1122211203193. The next prime is 1122211203221. The reversal of 1122211203212 is 2123021122211.

It is a super-2 number, since 2×1122211203212² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2285562287 + ... + 2285562777.

It is an arithmetic number, because the mean of its divisors is an integer number (12014049600).

Almost surely, 2^{1122211203212} is an apocalyptic number.

It is an amenable number.

1122211203212 is an abundant number, since it is smaller than the sum of its proper divisors (1184486319988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122211203212 is a wasteful number, since it uses less digits than its factorization.

1122211203212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1122211203212 its reverse (2123021122211), we get a palindrome (3245232325423).

The spelling of 1122211203212 in words is "one trillion, one hundred twenty-two billion, two hundred eleven million, two hundred three thousand, two hundred twelve".