1232003100 has 36 divisors (see below), whose sum is σ = 3564596504. Its totient is φ = 328534080.

The previous prime is 1232003099. The next prime is 1232003167. The reversal of 1232003100 is 13002321.

It is a happy number.

It is a super-2 number, since 2×1232003100² = 3035663276819220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2053039 + ... + 2053638.

Almost surely, 2^1232003100 is an apocalyptic number.

1232003100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232003100 is an abundant number, since it is smaller than the sum of its proper divisors (2332593404).

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

1232003100 is a wasteful number, since it uses less digits than its factorization.

1232003100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106694 (or 4106687 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1232003100 is about 35099.9017092641. The cubic root of 1232003100 is about 1072.0225813447.

Adding to 1232003100 its reverse (13002321), we get a palindrome (1245005421).

The spelling of 1232003100 in words is "one billion, two hundred thirty-two million, three thousand, one hundred".