100400422231200 has 432 divisors, whose sum is σ = 409402035655200. Its totient is φ = 21183385466880.

The previous prime is 100400422231199. The next prime is 100400422231201. The reversal of 100400422231200 is 2132224004001.

It is an interprime number because it is at equal distance from previous prime (100400422231199) and next prime (100400422231201).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (100400422231201) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 31307550 + ... + 34365149.

It is an arithmetic number, because the mean of its divisors is an integer number (947689897350).

Almost surely, 2^{100400422231200} is an apocalyptic number.

100400422231200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100400422231200 is an abundant number, since it is smaller than the sum of its proper divisors (309001613424000).

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

100400422231200 is a wasteful number, since it uses less digits than its factorization.

100400422231200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65672749 (or 65672729 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 100400422231200 its reverse (2132224004001), we get a palindrome (102532646235201).

The spelling of 100400422231200 in words is "one hundred trillion, four hundred billion, four hundred twenty-two million, two hundred thirty-one thousand, two hundred".