12215404023 has 8 divisors (see below), whose sum is σ = 16292500608. Its totient is φ = 8140955064.

The previous prime is 12215403979. The next prime is 12215404031. The reversal of 12215404023 is 32040451221.

12215404023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12215404023 - 2¹⁸ = 12215141879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12215403984 and 12215404002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12215444023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651115 + ... + 669612.

It is an arithmetic number, because the mean of its divisors is an integer number (2036562576).

Almost surely, 2^12215404023 is an apocalyptic number.

12215404023 is a deficient number, since it is larger than the sum of its proper divisors (4077096585).

12215404023 is a wasteful number, since it uses less digits than its factorization.

12215404023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323813.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 12215404023 its reverse (32040451221), we get a palindrome (44255855244).

The spelling of 12215404023 in words is "twelve billion, two hundred fifteen million, four hundred four thousand, twenty-three".