12212220101022 has 32 divisors (see below), whose sum is σ = 27141613724160. Its totient is φ = 4070238008760.

The previous prime is 12212220101021. The next prime is 12212220101023. The reversal of 12212220101022 is 22010102221221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12212220101021) and next prime (12212220101023).

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

It is a junction number, because it is equal to n+sod(n) for n = 12212220100986 and 12212220101004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212220101021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13503088 + ... + 14379075.

It is an arithmetic number, because the mean of its divisors is an integer number (848175428880).

Almost surely, 2^{12212220101022} is an apocalyptic number.

12212220101022 is an abundant number, since it is smaller than the sum of its proper divisors (14929393623138).

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

12212220101022 is a wasteful number, since it uses less digits than its factorization.

12212220101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27890285 (or 27890279 counting only the distinct ones).

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

Adding to 12212220101022 its reverse (22010102221221), we get a palindrome (34222322322243).

The spelling of 12212220101022 in words is "twelve trillion, two hundred twelve billion, two hundred twenty million, one hundred one thousand, twenty-two".