12210042023 has 4 divisors (see below), whose sum is σ = 12507847968. Its totient is φ = 11912236080.

The previous prime is 12210042017. The next prime is 12210042037. The reversal of 12210042023 is 32024001221.

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 12210042023 - 2⁴ = 12210042007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210041992 and 12210042010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210042043) 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, 148902911 + ... + 148902992.

It is an arithmetic number, because the mean of its divisors is an integer number (3126961992).

Almost surely, 2^12210042023 is an apocalyptic number.

12210042023 is a deficient number, since it is larger than the sum of its proper divisors (297805945).

12210042023 is an equidigital number, since it uses as much as digits as its factorization.

12210042023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297805944.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12210042023 its reverse (32024001221), we get a palindrome (44234043244).

The spelling of 12210042023 in words is "twelve billion, two hundred ten million, forty-two thousand, twenty-three".