1322312222100 has 72 divisors (see below), whose sum is σ = 3828464212608. Its totient is φ = 352379340800.

The previous prime is 1322312222093. The next prime is 1322312222107. The reversal of 1322312222100 is 12222132231.

It is an interprime number because it is at equal distance from previous prime (1322312222093) and next prime (1322312222107).

It is a super-2 number, since 2×1322312222100² (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 (1322312222107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1035981 + ... + 1928180.

It is an arithmetic number, because the mean of its divisors is an integer number (53173114064).

Almost surely, 2^{1322312222100} is an apocalyptic number.

1322312222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322312222100 is an abundant number, since it is smaller than the sum of its proper divisors (2506151990508).

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

1322312222100 is a wasteful number, since it uses less digits than its factorization.

1322312222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965665 (or 2965658 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1322312222100 its reverse (12222132231), we get a palindrome (1334534354331).

The spelling of 1322312222100 in words is "one trillion, three hundred twenty-two billion, three hundred twelve million, two hundred twenty-two thousand, one hundred".