2012000111023 has 32 divisors (see below), whose sum is σ = 2402137958400. Its totient is φ = 1649153447424.

The previous prime is 2012000110961. The next prime is 2012000111027. The reversal of 2012000111023 is 3201110002102.

It is not a de Polignac number, because 2012000111023 - 2¹³ = 2012000102831 is a prime.

It is a super-2 number, since 2×2012000111023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012000110994 and 2012000111012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012000111027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84323911 + ... + 84347767.

It is an arithmetic number, because the mean of its divisors is an integer number (75066811200).

Almost surely, 2^{2012000111023} is an apocalyptic number.

2012000111023 is a deficient number, since it is larger than the sum of its proper divisors (390137847377).

2012000111023 is a wasteful number, since it uses less digits than its factorization.

2012000111023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29479.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2012000111023 its reverse (3201110002102), we get a palindrome (5213110113125).

The spelling of 2012000111023 in words is "two trillion, twelve billion, one hundred eleven thousand, twenty-three".