1222312311302 has 16 divisors (see below), whose sum is σ = 1856875199040. Its totient is φ = 603355564032.

The previous prime is 1222312311293. The next prime is 1222312311371. The reversal of 1222312311302 is 2031132132221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088408 + ... + 1905060.

It is an arithmetic number, because the mean of its divisors is an integer number (116054699940).

Almost surely, 2^{1222312311302} is an apocalyptic number.

1222312311302 is a deficient number, since it is larger than the sum of its proper divisors (634562887738).

1222312311302 is an equidigital number, since it uses as much as digits as its factorization.

1222312311302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826207.

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

Adding to 1222312311302 its reverse (2031132132221), we get a palindrome (3253444443523).

The spelling of 1222312311302 in words is "one trillion, two hundred twenty-two billion, three hundred twelve million, three hundred eleven thousand, three hundred two".