1312230201 has 16 divisors (see below), whose sum is σ = 1828621440. Its totient is φ = 835450880.

The previous prime is 1312230191. The next prime is 1312230209. The reversal of 1312230201 is 1020322131.

It is a cyclic number.

It is not a de Polignac number, because 1312230201 - 2²³ = 1303841593 is a prime.

It is a super-3 number, since 3×1312230201³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312230209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29395 + ... + 59063.

It is an arithmetic number, because the mean of its divisors is an integer number (114288840).

Almost surely, 2^1312230201 is an apocalyptic number.

It is an amenable number.

1312230201 is a deficient number, since it is larger than the sum of its proper divisors (516391239).

1312230201 is a wasteful number, since it uses less digits than its factorization.

1312230201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30336.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1312230201 is about 36224.7180941412. The cubic root of 1312230201 is about 1094.8047582509.

Adding to 1312230201 its reverse (1020322131), we get a palindrome (2332552332).

The spelling of 1312230201 in words is "one billion, three hundred twelve million, two hundred thirty thousand, two hundred one".