100002001212120 has 64 divisors (see below), whose sum is σ = 342864004158720. Its totient is φ = 22857600276864.

The previous prime is 100002001212101. The next prime is 100002001212121. The reversal of 100002001212120 is 21212100200001.

100002001212120 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 100002001212096 and 100002001212105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100002001212121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59524999882 + ... + 59525001561.

It is an arithmetic number, because the mean of its divisors is an integer number (5357250064980).

Almost surely, 2^{100002001212120} is an apocalyptic number.

100002001212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100002001212120 is an abundant number, since it is smaller than the sum of its proper divisors (242862002946600).

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

100002001212120 is a wasteful number, since it uses less digits than its factorization.

100002001212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119050001464 (or 119050001460 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100002001212120 its reverse (21212100200001), we get a palindrome (121214101412121).

The spelling of 100002001212120 in words is "one hundred trillion, two billion, one million, two hundred twelve thousand, one hundred twenty".