201233123133212 has 24 divisors (see below), whose sum is σ = 357115207850016. Its totient is φ = 99209433673728.

The previous prime is 201233123133139. The next prime is 201233123133223. The reversal of 201233123133212 is 212331321332102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153296248 + ... + 1153470719.

It is an arithmetic number, because the mean of its divisors is an integer number (14879800327084).

Almost surely, 2^{201233123133212} is an apocalyptic number.

It is an amenable number.

201233123133212 is a deficient number, since it is larger than the sum of its proper divisors (155882084716804).

201233123133212 is a wasteful number, since it uses less digits than its factorization.

201233123133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306767277 (or 2306767275 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 201233123133212 its reverse (212331321332102), we get a palindrome (413564444465314).

The spelling of 201233123133212 in words is "two hundred one trillion, two hundred thirty-three billion, one hundred twenty-three million, one hundred thirty-three thousand, two hundred twelve".