12229585840988 has 12 divisors (see below), whose sum is σ = 21401895236232. Its totient is φ = 6114758630640.

The previous prime is 12229585840981. The next prime is 12229585840999. The reversal of 12229585840988 is 88904858592221.

It is a super-2 number, since 2×12229585840988² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12229585840981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7761470 + ... + 9203237.

It is an arithmetic number, because the mean of its divisors is an integer number (1783491269686).

Almost surely, 2^{12229585840988} is an apocalyptic number.

It is an amenable number.

12229585840988 is a deficient number, since it is larger than the sum of its proper divisors (9172309395244).

12229585840988 is a wasteful number, since it uses less digits than its factorization.

12229585840988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17144932 (or 17144930 counting only the distinct ones).

The product of its (nonzero) digits is 265420800, while the sum is 71.

The spelling of 12229585840988 in words is "twelve trillion, two hundred twenty-nine billion, five hundred eighty-five million, eight hundred forty thousand, nine hundred eighty-eight".