12280973744 has 20 divisors (see below), whose sum is σ = 25624724496. Its totient is φ = 5668141632.

The previous prime is 12280973743. The next prime is 12280973759. The reversal of 12280973744 is 44737908221.

It is a happy number.

It is a super-2 number, since 2×12280973744² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12280973743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29521364 + ... + 29521779.

Almost surely, 2^12280973744 is an apocalyptic number.

It is an amenable number.

12280973744 is an abundant number, since it is smaller than the sum of its proper divisors (13343750752).

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

12280973744 is a wasteful number, since it uses less digits than its factorization.

12280973744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59043164 (or 59043158 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 12280973744 in words is "twelve billion, two hundred eighty million, nine hundred seventy-three thousand, seven hundred forty-four".