12102240024 has 128 divisors (see below), whose sum is σ = 40679884800. Its totient is φ = 3254376960.

The previous prime is 12102240013. The next prime is 12102240037. The reversal of 12102240024 is 42004220121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12102239979 and 12102240006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209712 + ... + 261119.

It is an arithmetic number, because the mean of its divisors is an integer number (317811600).

Almost surely, 2^12102240024 is an apocalyptic number.

12102240024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12102240024 is an abundant number, since it is smaller than the sum of its proper divisors (28577644776).

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

12102240024 is a wasteful number, since it uses less digits than its factorization.

12102240024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470870 (or 470860 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12102240024 its reverse (42004220121), we get a palindrome (54106460145).

The spelling of 12102240024 in words is "twelve billion, one hundred two million, two hundred forty thousand, twenty-four".