12400201130312 has 8 divisors (see below), whose sum is σ = 23250377119350. Its totient is φ = 6200100565152.

The previous prime is 12400201130257. The next prime is 12400201130321. The reversal of 12400201130312 is 21303110200421.

It can be written as a sum of positive squares in only one way, i.e., 12337614100036 + 62587030276 = 3512494^2 + 250174^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775012570637 + ... + 775012570652.

Almost surely, 2^{12400201130312} is an apocalyptic number.

It is an amenable number.

12400201130312 is a deficient number, since it is larger than the sum of its proper divisors (10850175989038).

12400201130312 is a wasteful number, since it uses less digits than its factorization.

12400201130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550025141295 (or 1550025141291 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12400201130312 its reverse (21303110200421), we get a palindrome (33703311330733).

The spelling of 12400201130312 in words is "twelve trillion, four hundred billion, two hundred one million, one hundred thirty thousand, three hundred twelve".