12240331553 has 4 divisors (see below), whose sum is σ = 12440992788. Its totient is φ = 12039670320.

The previous prime is 12240331547. The next prime is 12240331559. The reversal of 12240331553 is 35513304221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12240331547) and next prime (12240331559).

It can be written as a sum of positive squares in 2 ways, for example, as 6453230224 + 5787101329 = 80332^2 + 76073^2 .

It is a cyclic number.

It is not a de Polignac number, because 12240331553 - 2⁶ = 12240331489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12240331559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100330526 + ... + 100330647.

It is an arithmetic number, because the mean of its divisors is an integer number (3110248197).

Almost surely, 2^12240331553 is an apocalyptic number.

It is an amenable number.

12240331553 is a deficient number, since it is larger than the sum of its proper divisors (200661235).

12240331553 is an equidigital number, since it uses as much as digits as its factorization.

12240331553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200661234.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 12240331553 its reverse (35513304221), we get a palindrome (47753635774).

The spelling of 12240331553 in words is "twelve billion, two hundred forty million, three hundred thirty-one thousand, five hundred fifty-three".