1323213033100 has 72 divisors (see below), whose sum is σ = 3321105435648. Its totient is φ = 448207080000.

The previous prime is 1323213033071. The next prime is 1323213033101. The reversal of 1323213033100 is 13303123231.

It is a super-2 number, since 2×1323213033100² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1323213033101) 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 23 ways as a sum of consecutive naturals, for example, 11329276 + ... + 11445475.

It is an arithmetic number, because the mean of its divisors is an integer number (46126464384).

Almost surely, 2^{1323213033100} is an apocalyptic number.

1323213033100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323213033100 is an abundant number, since it is smaller than the sum of its proper divisors (1997892402548).

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

1323213033100 is a wasteful number, since it uses less digits than its factorization.

1323213033100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22774855 (or 22774848 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1323213033100 its reverse (13303123231), we get a palindrome (1336516156331).

The spelling of 1323213033100 in words is "one trillion, three hundred twenty-three billion, two hundred thirteen million, thirty-three thousand, one hundred".