12261187230 has 32 divisors (see below), whose sum is σ = 29429913600. Its totient is φ = 3269309472.

The previous prime is 12261187223. The next prime is 12261187249. The reversal of 12261187230 is 3278116221.

It is a junction number, because it is equal to n+sod(n) for n = 12261187191 and 12261187200.

It is a congruent number.

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, 425211 + ... + 453129.

It is an arithmetic number, because the mean of its divisors is an integer number (919684800).

Almost surely, 2^12261187230 is an apocalyptic number.

12261187230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12261187230 is an abundant number, since it is smaller than the sum of its proper divisors (17168726370).

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

12261187230 is a wasteful number, since it uses less digits than its factorization.

12261187230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42568.

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 12261187230 in words is "twelve billion, two hundred sixty-one million, one hundred eighty-seven thousand, two hundred thirty".