201001312312 has 32 divisors (see below), whose sum is σ = 386961482880. Its totient is φ = 97822909440.

The previous prime is 201001312307. The next prime is 201001312313. The reversal of 201001312312 is 213213100102.

It is a super-5 number, since 5×201001312312⁵ (a number of 58 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001312313) 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 7 ways as a sum of consecutive naturals, for example, 565608 + ... + 849655.

It is an arithmetic number, because the mean of its divisors is an integer number (12092546340).

Almost surely, 2^201001312312 is an apocalyptic number.

It is an amenable number.

201001312312 is a deficient number, since it is larger than the sum of its proper divisors (185960170568).

201001312312 is a wasteful number, since it uses less digits than its factorization.

201001312312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415743 (or 1415739 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 201001312312 its reverse (213213100102), we get a palindrome (414214412414).

The spelling of 201001312312 in words is "two hundred one billion, one million, three hundred twelve thousand, three hundred twelve".