1122012202212 has 72 divisors (see below), whose sum is σ = 3121414601760. Its totient is φ = 336994801920.

The previous prime is 1122012202189. The next prime is 1122012202229. The reversal of 1122012202212 is 2122022102211.

It is a happy number.

1122012202212 is a `hidden beast` number, since 1 + 1 + 220 + 1 + 220 + 221 + 2 = 666.

It is a super-2 number, since 2×1122012202212² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12492262 + ... + 12581757.

It is an arithmetic number, because the mean of its divisors is an integer number (43352980580).

Almost surely, 2^{1122012202212} is an apocalyptic number.

1122012202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122012202212 is an abundant number, since it is smaller than the sum of its proper divisors (1999402399548).

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

1122012202212 is a wasteful number, since it uses less digits than its factorization.

1122012202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25074153 (or 25074148 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1122012202212 its reverse (2122022102211), we get a palindrome (3244034304423).

The spelling of 1122012202212 in words is "one trillion, one hundred twenty-two billion, twelve million, two hundred two thousand, two hundred twelve".