201001231012 has 6 divisors (see below), whose sum is σ = 351752154278. Its totient is φ = 100500615504.

The previous prime is 201001231007. The next prime is 201001231031. The reversal of 201001231012 is 210132100102.

201001231012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 185678257216 + 15322973796 = 430904^2 + 123786^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201001230983 and 201001231001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25125153873 + ... + 25125153880.

Almost surely, 2^201001231012 is an apocalyptic number.

It is an amenable number.

201001231012 is a deficient number, since it is larger than the sum of its proper divisors (150750923266).

201001231012 is a wasteful number, since it uses less digits than its factorization.

201001231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50250307757 (or 50250307755 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 201001231012 its reverse (210132100102), we get a palindrome (411133331114).

The spelling of 201001231012 in words is "two hundred one billion, one million, two hundred thirty-one thousand, twelve".