100123211200 has 42 divisors (see below), whose sum is σ = 246365680496. Its totient is φ = 40049283840.

The previous prime is 100123211191. The next prime is 100123211207. The reversal of 100123211200 is 2112321001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100123211207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31286904 + ... + 31290103.

Almost surely, 2^100123211200 is an apocalyptic number.

100123211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100123211200 is an abundant number, since it is smaller than the sum of its proper divisors (146242469296).

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

100123211200 is an equidigital number, since it uses as much as digits as its factorization.

100123211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62577029 (or 62577014 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 100123211200 its reverse (2112321001), we get a palindrome (102235532201).

The spelling of 100123211200 in words is "one hundred billion, one hundred twenty-three million, two hundred eleven thousand, two hundred".