1222332131420 has 12 divisors (see below), whose sum is σ = 2566897476024. Its totient is φ = 488932852560.

The previous prime is 1222332131407. The next prime is 1222332131459. The reversal of 1222332131420 is 241312332221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222332131420.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 30558303266 + ... + 30558303305.

It is an arithmetic number, because the mean of its divisors is an integer number (213908123002).

Almost surely, 2^{1222332131420} is an apocalyptic number.

1222332131420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222332131420 is an abundant number, since it is smaller than the sum of its proper divisors (1344565344604).

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

1222332131420 is a wasteful number, since it uses less digits than its factorization.

1222332131420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61116606580 (or 61116606578 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1222332131420 its reverse (241312332221), we get a palindrome (1463644463641).

The spelling of 1222332131420 in words is "one trillion, two hundred twenty-two billion, three hundred thirty-two million, one hundred thirty-one thousand, four hundred twenty".