100212420000 has 960 divisors, whose sum is σ = 415666944000. Its totient is φ = 20528640000.

The previous prime is 100212419947. The next prime is 100212420017. The reversal of 100212420000 is 24212001.

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

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 503579901 + ... + 503580099.

It is an arithmetic number, because the mean of its divisors is an integer number (432986400).

Almost surely, 2^100212420000 is an apocalyptic number.

100212420000 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 100212420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207833472000).

100212420000 is an abundant number, since it is smaller than the sum of its proper divisors (315454524000).

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

100212420000 is a wasteful number, since it uses less digits than its factorization.

100212420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 100212420000 its reverse (24212001), we get a palindrome (100236632001).

The spelling of 100212420000 in words is "one hundred billion, two hundred twelve million, four hundred twenty thousand".