12240331554 has 32 divisors (see below), whose sum is σ = 26955783936. Its totient is φ = 3674523920.

The previous prime is 12240331547. The next prime is 12240331559. The reversal of 12240331554 is 45513304221.

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 15 ways as a sum of consecutive naturals, for example, 859572 + ... + 873695.

It is an arithmetic number, because the mean of its divisors is an integer number (842368248).

Almost surely, 2^12240331554 is an apocalyptic number.

12240331554 is an abundant number, since it is smaller than the sum of its proper divisors (14715452382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12240331554 is a wasteful number, since it uses less digits than its factorization.

12240331554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733390.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 12240331554 its reverse (45513304221), we get a palindrome (57753635775).

The spelling of 12240331554 in words is "twelve billion, two hundred forty million, three hundred thirty-one thousand, five hundred fifty-four".