12240222523 has 2 divisors, whose sum is σ = 12240222524. Its totient is φ = 12240222522.

The previous prime is 12240222481. The next prime is 12240222587. The reversal of 12240222523 is 32522204221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12240222523 - 2¹³ = 12240214331 is a prime.

It is not a weakly prime, because it can be changed into another prime (12240222223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6120111261 + 6120111262.

It is an arithmetic number, because the mean of its divisors is an integer number (6120111262).

Almost surely, 2^12240222523 is an apocalyptic number.

12240222523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12240222523 is an equidigital number, since it uses as much as digits as its factorization.

12240222523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 12240222523 its reverse (32522204221), we get a palindrome (44762426744).

The spelling of 12240222523 in words is "twelve billion, two hundred forty million, two hundred twenty-two thousand, five hundred twenty-three".