1222011212202 has 32 divisors (see below), whose sum is σ = 2962451424960. Its totient is φ = 370306427760.

The previous prime is 1222011212167. The next prime is 1222011212269. The reversal of 1222011212202 is 2022121102221.

It is a happy number.

1222011212202 is a `hidden beast` number, since 122 + 201 + 121 + 220 + 2 = 666.

It is a super-2 number, since 2×1222011212202² (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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1028628373 + ... + 1028629560.

It is an arithmetic number, because the mean of its divisors is an integer number (92576607030).

Almost surely, 2^{1222011212202} is an apocalyptic number.

1222011212202 is an abundant number, since it is smaller than the sum of its proper divisors (1740440212758).

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

1222011212202 is a wasteful number, since it uses less digits than its factorization.

1222011212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057257955 (or 2057257949 counting only the distinct ones).

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

Adding to 1222011212202 its reverse (2022121102221), we get a palindrome (3244132314423).

The spelling of 1222011212202 in words is "one trillion, two hundred twenty-two billion, eleven million, two hundred twelve thousand, two hundred two".