1312201424 has 10 divisors (see below), whose sum is σ = 2542390290. Its totient is φ = 656100704.

The previous prime is 1312201361. The next prime is 1312201441. The reversal of 1312201424 is 4241022131.

It can be written as a sum of positive squares in only one way, i.e., 663989824 + 648211600 = 25768^2 + 25460^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1312201396 and 1312201405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41006279 + ... + 41006310.

It is an arithmetic number, because the mean of its divisors is an integer number (254239029).

Almost surely, 2^1312201424 is an apocalyptic number.

It is an amenable number.

1312201424 is a deficient number, since it is larger than the sum of its proper divisors (1230188866).

1312201424 is an equidigital number, since it uses as much as digits as its factorization.

1312201424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82012597 (or 82012591 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1312201424 is about 36224.3208908048. The cubic root of 1312201424 is about 1094.7967552276.

Adding to 1312201424 its reverse (4241022131), we get a palindrome (5553223555).

The spelling of 1312201424 in words is "one billion, three hundred twelve million, two hundred one thousand, four hundred twenty-four".