1222231132213 has 48 divisors (see below), whose sum is σ = 1592858234880. Its totient is φ = 915740085312.

The previous prime is 1222231132183. The next prime is 1222231132237. The reversal of 1222231132213 is 3122311322221.

It is not a de Polignac number, because 1222231132213 - 2²⁹ = 1221694261301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222231132013) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 57148320 + ... + 57169702.

It is an arithmetic number, because the mean of its divisors is an integer number (33184546560).

Almost surely, 2^{1222231132213} is an apocalyptic number.

1222231132213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1222231132213 is a deficient number, since it is larger than the sum of its proper divisors (370627102667).

1222231132213 is a wasteful number, since it uses less digits than its factorization.

1222231132213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23978 (or 23965 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 1222231132213 its reverse (3122311322221), we get a palindrome (4344542454434).

The spelling of 1222231132213 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-one million, one hundred thirty-two thousand, two hundred thirteen".