1312100120201 has 8 divisors (see below), whose sum is σ = 1413075977544. Its totient is φ = 1211130702720.

The previous prime is 1312100120179. The next prime is 1312100120209. The reversal of 1312100120201 is 1020210012131.

It can be written as a sum of positive squares in 4 ways, for example, as 275163193600 + 1036936926601 = 524560^2 + 1018301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312100120201 - 2¹⁴ = 1312100103817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312100120209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182590 + ... + 2005671.

It is an arithmetic number, because the mean of its divisors is an integer number (176634497193).

Almost surely, 2^{1312100120201} is an apocalyptic number.

It is an amenable number.

1312100120201 is a deficient number, since it is larger than the sum of its proper divisors (100975857343).

1312100120201 is a wasteful number, since it uses less digits than its factorization.

1312100120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219931.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1312100120201 its reverse (1020210012131), we get a palindrome (2332310132332).

The spelling of 1312100120201 in words is "one trillion, three hundred twelve billion, one hundred million, one hundred twenty thousand, two hundred one".