12245049616 has 20 divisors (see below), whose sum is σ = 24172422732. Its totient is φ = 6007005056.

The previous prime is 12245049611. The next prime is 12245049653. The reversal of 12245049616 is 61694054221.

It can be written as a sum of positive squares in 2 ways, for example, as 6619449600 + 5625600016 = 81360^2 + 75004^2 .

It is not an unprimeable number, because it can be changed into a prime (12245049611) 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, 7219111 + ... + 7220806.

Almost surely, 2^12245049616 is an apocalyptic number.

12245049616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12245049616 is a deficient number, since it is larger than the sum of its proper divisors (11927373116).

12245049616 is a wasteful number, since it uses less digits than its factorization.

12245049616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14439978 (or 14439972 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 12245049616 in words is "twelve billion, two hundred forty-five million, forty-nine thousand, six hundred sixteen".