12120001120023 has 16 divisors (see below), whose sum is σ = 16485741855360. Its totient is φ = 7917994599776.

The previous prime is 12120001119983. The next prime is 12120001120033. The reversal of 12120001120023 is 32002110002121.

It is a cyclic number.

It is not a de Polignac number, because 12120001120023 - 2²² = 12119996925719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12120001119984 and 12120001120011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120001120033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107947965 + ... + 108060182.

It is an arithmetic number, because the mean of its divisors is an integer number (1030358865960).

Almost surely, 2^{12120001120023} is an apocalyptic number.

12120001120023 is a deficient number, since it is larger than the sum of its proper divisors (4365740735337).

12120001120023 is a wasteful number, since it uses less digits than its factorization.

12120001120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216008526.

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

Adding to 12120001120023 its reverse (32002110002121), we get a palindrome (44122111122144).

The spelling of 12120001120023 in words is "twelve trillion, one hundred twenty billion, one million, one hundred twenty thousand, twenty-three".