12100021113023 has 4 divisors (see below), whose sum is σ = 12100428949008. Its totient is φ = 12099613277040.

The previous prime is 12100021112863. The next prime is 12100021113029. The reversal of 12100021113023 is 32031112000121.

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 12100021113023 - 2²² = 12100016918719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100021112992 and 12100021113010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100021113029) 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, 203873486 + ... + 203932827.

It is an arithmetic number, because the mean of its divisors is an integer number (3025107237252).

Almost surely, 2^{12100021113023} is an apocalyptic number.

12100021113023 is a deficient number, since it is larger than the sum of its proper divisors (407835985).

12100021113023 is an equidigital number, since it uses as much as digits as its factorization.

12100021113023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407835984.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12100021113023 its reverse (32031112000121), we get a palindrome (44131133113144).

The spelling of 12100021113023 in words is "twelve trillion, one hundred billion, twenty-one million, one hundred thirteen thousand, twenty-three".