100102020001212 has 12 divisors (see below), whose sum is σ = 233571380002856. Its totient is φ = 33367340000400.

The previous prime is 100102020001097. The next prime is 100102020001219. The reversal of 100102020001212 is 212100020201001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 8341835000101 = 100102020001212 / (1 + 0 + 0 + 1 + 0 + 2 + 0 + 2 + 0 + 0 + 0 + 1 + 2 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100102020001219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4170917500039 + ... + 4170917500062.

Almost surely, 2^{100102020001212} is an apocalyptic number.

100102020001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100102020001212 is an abundant number, since it is smaller than the sum of its proper divisors (133469360001644).

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

100102020001212 is a wasteful number, since it uses less digits than its factorization.

100102020001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8341835000108 (or 8341835000106 counting only the distinct ones).

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

Adding to 100102020001212 its reverse (212100020201001), we get a palindrome (312202040202213).

The spelling of 100102020001212 in words is "one hundred trillion, one hundred two billion, twenty million, one thousand, two hundred twelve".