2012100000102 has 24 divisors (see below), whose sum is σ = 4521014816136. Its totient is φ = 670699999872.

The previous prime is 2012100000089. The next prime is 2012100000107. The reversal of 2012100000102 is 2010000012102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012100000107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2070061243 + ... + 2070062214.

It is an arithmetic number, because the mean of its divisors is an integer number (188375617339).

Almost surely, 2^{2012100000102} is an apocalyptic number.

2012100000102 is an abundant number, since it is smaller than the sum of its proper divisors (2508914816034).

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

2012100000102 is an equidigital number, since it uses as much as digits as its factorization.

2012100000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140123474 (or 4140123462 counting only the distinct ones).

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

Adding to 2012100000102 its reverse (2010000012102), we get a palindrome (4022100012204).

The spelling of 2012100000102 in words is "two trillion, twelve billion, one hundred million, one hundred two", and thus it is an aban number.