2012100023 has 8 divisors (see below), whose sum is σ = 2032958400. Its totient is φ = 1991340000.

The previous prime is 2012099983. The next prime is 2012100037. The reversal of 2012100023 is 3200012102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012100023 - 2⁶ = 2012099959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012099977 and 2012100013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012100073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16898 + ... + 65648.

It is an arithmetic number, because the mean of its divisors is an integer number (254119800).

Almost surely, 2^2012100023 is an apocalyptic number.

2012100023 is a deficient number, since it is larger than the sum of its proper divisors (20858377).

2012100023 is a wasteful number, since it uses less digits than its factorization.

2012100023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49177.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2012100023 is about 44856.4379214400. The cubic root of 2012100023 is about 1262.4567886135.

Adding to 2012100023 its reverse (3200012102), we get a palindrome (5212112125).

The spelling of 2012100023 in words is "two billion, twelve million, one hundred thousand, twenty-three".