1312230040201 has 4 divisors (see below), whose sum is σ = 1312269996100. Its totient is φ = 1312190084304.

The previous prime is 1312230040151. The next prime is 1312230040223. The reversal of 1312230040201 is 1020400322131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1106912305801 + 205317734400 = 1052099^2 + 453120^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312230040201 - 2¹⁷ = 1312229909129 is a prime.

It is a super-2 number, since 2×1312230040201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312230040801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19928646 + ... + 19994383.

It is an arithmetic number, because the mean of its divisors is an integer number (328067499025).

Almost surely, 2^{1312230040201} is an apocalyptic number.

It is an amenable number.

1312230040201 is a deficient number, since it is larger than the sum of its proper divisors (39955899).

1312230040201 is an equidigital number, since it uses as much as digits as its factorization.

1312230040201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39955898.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1312230040201 its reverse (1020400322131), we get a palindrome (2332630362332).

The spelling of 1312230040201 in words is "one trillion, three hundred twelve billion, two hundred thirty million, forty thousand, two hundred one".