2012211010023 has 4 divisors (see below), whose sum is σ = 2682948013368. Its totient is φ = 1341474006680.

The previous prime is 2012211010021. The next prime is 2012211010067. The reversal of 2012211010023 is 3200101122102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2012211010023 - 2¹ = 2012211010021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012211009984 and 2012211010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012211010021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335368501668 + ... + 335368501673.

It is an arithmetic number, because the mean of its divisors is an integer number (670737003342).

Almost surely, 2^{2012211010023} is an apocalyptic number.

2012211010023 is a deficient number, since it is larger than the sum of its proper divisors (670737003345).

2012211010023 is an equidigital number, since it uses as much as digits as its factorization.

2012211010023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670737003344.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2012211010023 its reverse (3200101122102), we get a palindrome (5212312132125).

The spelling of 2012211010023 in words is "two trillion, twelve billion, two hundred eleven million, ten thousand, twenty-three".