12204232140 has 48 divisors (see below), whose sum is σ = 34176935520. Its totient is φ = 3253977600.

The previous prime is 12204232127. The next prime is 12204232163. The reversal of 12204232140 is 4123240221.

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, 594040 + ... + 614240.

It is an arithmetic number, because the mean of its divisors is an integer number (712019490).

Almost surely, 2^12204232140 is an apocalyptic number.

12204232140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12204232140 is an abundant number, since it is smaller than the sum of its proper divisors (21972703380).

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

12204232140 is a wasteful number, since it uses less digits than its factorization.

12204232140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30282 (or 30280 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12204232140 its reverse (4123240221), we get a palindrome (16327472361).

The spelling of 12204232140 in words is "twelve billion, two hundred four million, two hundred thirty-two thousand, one hundred forty".