201023311301212 has 12 divisors (see below), whose sum is σ = 357557856987016. Its totient is φ = 98863923590640.

The previous prime is 201023311301207. The next prime is 201023311301251. The reversal of 201023311301212 is 212103113320102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411933014718 + ... + 411933015205.

Almost surely, 2^{201023311301212} is an apocalyptic number.

It is an amenable number.

201023311301212 is a deficient number, since it is larger than the sum of its proper divisors (156534545685804).

201023311301212 is a wasteful number, since it uses less digits than its factorization.

201023311301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823866029988 (or 823866029986 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 201023311301212 its reverse (212103113320102), we get a palindrome (413126424621314).

The spelling of 201023311301212 in words is "two hundred one trillion, twenty-three billion, three hundred eleven million, three hundred one thousand, two hundred twelve".