12140585228 has 24 divisors (see below), whose sum is σ = 21791270592. Its totient is φ = 5915617664.

The previous prime is 12140585161. The next prime is 12140585231. The reversal of 12140585228 is 82258504121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12140585191 and 12140585200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94775 + ... + 182382.

It is an arithmetic number, because the mean of its divisors is an integer number (907969608).

Almost surely, 2^12140585228 is an apocalyptic number.

It is an amenable number.

12140585228 is a deficient number, since it is larger than the sum of its proper divisors (9650685364).

12140585228 is a wasteful number, since it uses less digits than its factorization.

12140585228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277441 (or 277439 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 38.

The spelling of 12140585228 in words is "twelve billion, one hundred forty million, five hundred eighty-five thousand, two hundred twenty-eight".