1222342412021 has 24 divisors (see below), whose sum is σ = 1302411924000. Its totient is φ = 1146931500960.

The previous prime is 1222342411993. The next prime is 1222342412069. The reversal of 1222342412021 is 1202142432221.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1222342412021 is a prime.

It is a super-2 number, since 2×1222342412021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222342411021) 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 23 ways as a sum of consecutive naturals, for example, 140510930 + ... + 140519628.

It is an arithmetic number, because the mean of its divisors is an integer number (54267163500).

Almost surely, 2^{1222342412021} is an apocalyptic number.

It is an amenable number.

1222342412021 is a deficient number, since it is larger than the sum of its proper divisors (80069511979).

1222342412021 is a wasteful number, since it uses less digits than its factorization.

1222342412021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12417 (or 12398 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1222342412021 its reverse (1202142432221), we get a palindrome (2424484844242).

The spelling of 1222342412021 in words is "one trillion, two hundred twenty-two billion, three hundred forty-two million, four hundred twelve thousand, twenty-one".