12242420554 has 32 divisors (see below), whose sum is σ = 22607383680. Its totient is φ = 4841871552.

The previous prime is 12242420549. The next prime is 12242420627. The reversal of 12242420554 is 45502424221.

It is a super-2 number, since 2×12242420554² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980052 + ... + 992464.

It is an arithmetic number, because the mean of its divisors is an integer number (706480740).

Almost surely, 2^12242420554 is an apocalyptic number.

12242420554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12242420554 is a deficient number, since it is larger than the sum of its proper divisors (10364963126).

12242420554 is a wasteful number, since it uses less digits than its factorization.

12242420554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17854.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 12242420554 its reverse (45502424221), we get a palindrome (57744844775).

The spelling of 12242420554 in words is "twelve billion, two hundred forty-two million, four hundred twenty thousand, five hundred fifty-four".