2012100200023 has 16 divisors (see below), whose sum is σ = 2044541472480. Its totient is φ = 1979731353600.

The previous prime is 2012100200021. The next prime is 2012100200057. The reversal of 2012100200023 is 3200020012102.

It is a cyclic number.

It is not a de Polignac number, because 2012100200023 - 2¹ = 2012100200021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012100199976 and 2012100200012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012100200021) 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, 266817633 + ... + 266825173.

It is an arithmetic number, because the mean of its divisors is an integer number (127783842030).

Almost surely, 2^{2012100200023} is an apocalyptic number.

2012100200023 is a deficient number, since it is larger than the sum of its proper divisors (32441272457).

2012100200023 is a wasteful number, since it uses less digits than its factorization.

2012100200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11778.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 2012100200023 its reverse (3200020012102), we get a palindrome (5212120212125).

The spelling of 2012100200023 in words is "two trillion, twelve billion, one hundred million, two hundred thousand, twenty-three".