12212140104423 has 40 divisors (see below), whose sum is σ = 20854359482528. Its totient is φ = 6976553374656.

The previous prime is 12212140104337. The next prime is 12212140104433. The reversal of 12212140104423 is 32440104121221.

12212140104423 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 214 + 0 + 1 + 0 + 442 + 3 = 666.

It is not a de Polignac number, because 12212140104423 - 2¹² = 12212140100327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212140104433) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 610336 + ... + 4979637.

Almost surely, 2^{12212140104423} is an apocalyptic number.

12212140104423 is a deficient number, since it is larger than the sum of its proper divisors (8642219378105).

12212140104423 is an equidigital number, since it uses as much as digits as its factorization.

12212140104423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593845 (or 5593836 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 12212140104423 its reverse (32440104121221), we get a palindrome (44652244225644).

The spelling of 12212140104423 in words is "twelve trillion, two hundred twelve billion, one hundred forty million, one hundred four thousand, four hundred twenty-three".