100001200212000 has 192 divisors, whose sum is σ = 364004369164800. Its totient is φ = 26666986694400.

The previous prime is 100001200211963. The next prime is 100001200212041. The reversal of 100001200212000 is 212002100001.

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 31 ways as a sum of consecutive naturals, for example, 462860520 + ... + 463076519.

It is an arithmetic number, because the mean of its divisors is an integer number (1895856089400).

Almost surely, 2^{100001200212000} is an apocalyptic number.

100001200212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100001200212000 is an abundant number, since it is smaller than the sum of its proper divisors (264003168952800).

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

100001200212000 is an equidigital number, since it uses as much as digits as its factorization.

100001200212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925937073 (or 925937049 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100001200212000 its reverse (212002100001), we get a palindrome (100213202312001).

The spelling of 100001200212000 in words is "one hundred trillion, one billion, two hundred million, two hundred twelve thousand".