1232000100400 has 120 divisors (see below), whose sum is σ = 3008149323264. Its totient is φ = 484783622400.

The previous prime is 1232000100361. The next prime is 1232000100403. The reversal of 1232000100400 is 40010002321.

It is a super-2 number, since 2×1232000100400² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1232000100403) 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, 19881465 + ... + 19943335.

Almost surely, 2^{1232000100400} is an apocalyptic number.

1232000100400 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 1232000100400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1504074661632).

1232000100400 is an abundant number, since it is smaller than the sum of its proper divisors (1776149222864).

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

1232000100400 is a wasteful number, since it uses less digits than its factorization.

1232000100400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62699 (or 62688 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1232000100400 its reverse (40010002321), we get a palindrome (1272010102721).

The spelling of 1232000100400 in words is "one trillion, two hundred thirty-two billion, one hundred thousand, four hundred".