1312201024 has 14 divisors (see below), whose sum is σ = 2603899034. Its totient is φ = 656100480.

The previous prime is 1312201013. The next prime is 1312201031. The reversal of 1312201024 is 4201022131.

It can be written as a sum of positive squares in only one way, i.e., 1293121600 + 19079424 = 35960^2 + 4368^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1312200989 and 1312201007.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10251507 + ... + 10251634.

Almost surely, 2^1312201024 is an apocalyptic number.

It is an amenable number.

1312201024 is a deficient number, since it is larger than the sum of its proper divisors (1291698010).

1312201024 is an equidigital number, since it uses as much as digits as its factorization.

1312201024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20503153 (or 20503143 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1312201024 is about 36224.3153696519. The cubic root of 1312201024 is about 1094.7966439848.

Adding to 1312201024 its reverse (4201022131), we get a palindrome (5513223155).

The spelling of 1312201024 in words is "one billion, three hundred twelve million, two hundred one thousand, twenty-four".