100021012012000 has 96 divisors (see below), whose sum is σ = 245760367978944. Its totient is φ = 40006981696000.

The previous prime is 100021012011989. The next prime is 100021012012087. The reversal of 100021012012000 is 210210120001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115821810 + ... + 116682190.

It is an arithmetic number, because the mean of its divisors is an integer number (2560003833114).

Almost surely, 2^{100021012012000} is an apocalyptic number.

100021012012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100021012012000 is an abundant number, since it is smaller than the sum of its proper divisors (145739355966944).

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

100021012012000 is an equidigital number, since it uses as much as digits as its factorization.

100021012012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889469 (or 889451 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100021012012000 its reverse (210210120001), we get a palindrome (100231222132001).

The spelling of 100021012012000 in words is "one hundred trillion, twenty-one billion, twelve million, twelve thousand".