12477163450 has 12 divisors (see below), whose sum is σ = 23207524110. Its totient is φ = 4990865360.

The previous prime is 12477163417. The next prime is 12477163451. The reversal of 12477163450 is 5436177421.

It can be written as a sum of positive squares in 3 ways, for example, as 8078953689 + 4398209761 = 89883^2 + 66319^2 .

It is not an unprimeable number, because it can be changed into a prime (12477163451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124771585 + ... + 124771684.

Almost surely, 2^12477163450 is an apocalyptic number.

12477163450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12477163450 is a deficient number, since it is larger than the sum of its proper divisors (10730360660).

12477163450 is a wasteful number, since it uses less digits than its factorization.

12477163450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249543281 (or 249543276 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 12477163450 in words is "twelve billion, four hundred seventy-seven million, one hundred sixty-three thousand, four hundred fifty".