2012100320100 has 144 divisors (see below), whose sum is σ = 6415301047232. Its totient is φ = 483767907840.

The previous prime is 2012100320039. The next prime is 2012100320129. The reversal of 2012100320100 is 10230012102.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5831407 + ... + 6166806.

Almost surely, 2^{2012100320100} is an apocalyptic number.

2012100320100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012100320100 is an abundant number, since it is smaller than the sum of its proper divisors (4403200727132).

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

2012100320100 is a wasteful number, since it uses less digits than its factorization.

2012100320100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11998286 (or 11998279 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 2012100320100 its reverse (10230012102), we get a palindrome (2022330332202).

The spelling of 2012100320100 in words is "two trillion, twelve billion, one hundred million, three hundred twenty thousand, one hundred".