1232201100 has 72 divisors (see below), whose sum is σ = 3839424400. Its totient is φ = 303310080.

The previous prime is 1232201099. The next prime is 1232201101. The reversal of 1232201100 is 11022321.

It is an interprime number because it is at equal distance from previous prime (1232201099) and next prime (1232201101).

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

It is not an unprimeable number, because it can be changed into a prime (1232201101) 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, 154075 + ... + 161874.

Almost surely, 2^1232201100 is an apocalyptic number.

1232201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232201100 is an abundant number, since it is smaller than the sum of its proper divisors (2607223300).

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

1232201100 is a wasteful number, since it uses less digits than its factorization.

1232201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315979 (or 315972 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1232201100 is about 35102.7221166678. The cubic root of 1232201100 is about 1072.0800079050.

Adding to 1232201100 its reverse (11022321), we get a palindrome (1243223421).

The spelling of 1232201100 in words is "one billion, two hundred thirty-two million, two hundred one thousand, one hundred".