100002201000012 has 18 divisors (see below), whose sum is σ = 252783341416788. Its totient is φ = 33334066999992.

The previous prime is 100002200999999. The next prime is 100002201000019. The reversal of 100002201000012 is 210000102200001.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100002200999958 and 100002201000003.

It is not an unprimeable number, because it can be changed into a prime (100002201000019) 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, 1388919458298 + ... + 1388919458369.

Almost surely, 2^{100002201000012} is an apocalyptic number.

100002201000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100002201000012 is an abundant number, since it is smaller than the sum of its proper divisors (152781140416776).

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

100002201000012 is a wasteful number, since it uses less digits than its factorization.

100002201000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777838916677 (or 2777838916672 counting only the distinct ones).

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

Adding to 100002201000012 its reverse (210000102200001), we get a palindrome (310002303200013).

The spelling of 100002201000012 in words is "one hundred trillion, two billion, two hundred one million, twelve", and thus it is an aban number.