1232000100 has 108 divisors (see below), whose sum is σ = 3966111604. Its totient is φ = 319645440.

The previous prime is 1232000059. The next prime is 1232000113. The reversal of 1232000100 is 10002321.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 59074596 + 1172925504 = 7686^2 + 34248^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14802 + ... + 51798.

Almost surely, 2^1232000100 is an apocalyptic number.

1232000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1983055802).

1232000100 is an abundant number, since it is smaller than the sum of its proper divisors (2734111504).

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

1232000100 is a wasteful number, since it uses less digits than its factorization.

1232000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37054 (or 37044 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1232000100 is about 35099.8589740757. The cubic root of 1232000100 is about 1072.0217111980.

Adding to 1232000100 its reverse (10002321), we get a palindrome (1242002421).

It can be divided in two parts, 1232000 and 100, that added together give a square (1232100 = 1110²).

The spelling of 1232000100 in words is "one billion, two hundred thirty-two million, one hundred", and thus it is an aban number.