12102120023 has 8 divisors (see below), whose sum is σ = 13910943648. Its totient is φ = 10313283744.

The previous prime is 12102119983. The next prime is 12102120049. The reversal of 12102120023 is 32002120121.

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 12102120023 - 2¹⁸ = 12101857879 is a prime.

It is a super-2 number, since 2×12102120023² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102128023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4995536 + ... + 4997957.

It is an arithmetic number, because the mean of its divisors is an integer number (1738867956).

Almost surely, 2^12102120023 is an apocalyptic number.

12102120023 is a deficient number, since it is larger than the sum of its proper divisors (1808823625).

12102120023 is an equidigital number, since it uses as much as digits as its factorization.

12102120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9993673.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12102120023 its reverse (32002120121), we get a palindrome (44104240144).

The spelling of 12102120023 in words is "twelve billion, one hundred two million, one hundred twenty thousand, twenty-three".