1233321213100 has 36 divisors (see below), whose sum is σ = 2716251928264. Its totient is φ = 485965370880.

The previous prime is 1233321213079. The next prime is 1233321213107. The reversal of 1233321213100 is 13121233321.

It is a super-2 number, since 2×1233321213100² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1233321213107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92032197 + ... + 92045596.

Almost surely, 2^{1233321213100} is an apocalyptic number.

1233321213100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233321213100 is an abundant number, since it is smaller than the sum of its proper divisors (1482930715164).

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

1233321213100 is a wasteful number, since it uses less digits than its factorization.

1233321213100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184077874 (or 184077867 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1233321213100 its reverse (13121233321), we get a palindrome (1246442446421).

The spelling of 1233321213100 in words is "one trillion, two hundred thirty-three billion, three hundred twenty-one million, two hundred thirteen thousand, one hundred".