312012201201 has 16 divisors (see below), whose sum is σ = 422157400896. Its totient is φ = 204951007296.

The previous prime is 312012201199. The next prime is 312012201211. The reversal of 312012201201 is 102102210213.

It is not a de Polignac number, because 312012201201 - 2¹ = 312012201199 is a prime.

It is a super-2 number, since 2×312012201201² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312012201211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1586830 + ... + 1772583.

It is an arithmetic number, because the mean of its divisors is an integer number (26384837556).

Almost surely, 2^312012201201 is an apocalyptic number.

It is an amenable number.

312012201201 is a deficient number, since it is larger than the sum of its proper divisors (110145199695).

312012201201 is a wasteful number, since it uses less digits than its factorization.

312012201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359872.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 312012201201 its reverse (102102210213), we get a palindrome (414114411414).

The spelling of 312012201201 in words is "three hundred twelve billion, twelve million, two hundred one thousand, two hundred one".