1321012133222 has 8 divisors (see below), whose sum is σ = 2005391913336. Its totient is φ = 652548162112.

The previous prime is 1321012133191. The next prime is 1321012133249. The reversal of 1321012133222 is 2223312101231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1321012133222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3978952043 + ... + 3978952374.

It is an arithmetic number, because the mean of its divisors is an integer number (250673989167).

Almost surely, 2^{1321012133222} is an apocalyptic number.

1321012133222 is a deficient number, since it is larger than the sum of its proper divisors (684379780114).

1321012133222 is an equidigital number, since it uses as much as digits as its factorization.

1321012133222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7957904502.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1321012133222 its reverse (2223312101231), we get a palindrome (3544324234453).

The spelling of 1321012133222 in words is "one trillion, three hundred twenty-one billion, twelve million, one hundred thirty-three thousand, two hundred twenty-two".