1223132203100 has 36 divisors (see below), whose sum is σ = 2656026414888. Its totient is φ = 488915640000.

The previous prime is 1223132203087. The next prime is 1223132203127. The reversal of 1223132203100 is 13022313221.

It is a super-2 number, since 2×1223132203100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4069691 + ... + 4359890.

Almost surely, 2^{1223132203100} is an apocalyptic number.

1223132203100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223132203100 is an abundant number, since it is smaller than the sum of its proper divisors (1432894211788).

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

1223132203100 is a wasteful number, since it uses less digits than its factorization.

1223132203100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8431046 (or 8431039 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1223132203100 its reverse (13022313221), we get a palindrome (1236154516321).

The spelling of 1223132203100 in words is "one trillion, two hundred twenty-three billion, one hundred thirty-two million, two hundred three thousand, one hundred".