20121031010333 has 8 divisors (see below), whose sum is σ = 21960487182720. Its totient is φ = 18283286760480.

The previous prime is 20121031010303. The next prime is 20121031010383. The reversal of 20121031010333 is 33301013012102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20121031010333 - 2¹⁰ = 20121031009309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121031010303) by changing a digit.

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, 427956053 + ... + 428003066.

It is an arithmetic number, because the mean of its divisors is an integer number (2745060897840).

Almost surely, 2^{20121031010333} is an apocalyptic number.

It is an amenable number.

20121031010333 is a deficient number, since it is larger than the sum of its proper divisors (1839456172387).

20121031010333 is a wasteful number, since it uses less digits than its factorization.

20121031010333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855961267.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20121031010333 its reverse (33301013012102), we get a palindrome (53422044022435).

The spelling of 20121031010333 in words is "twenty trillion, one hundred twenty-one billion, thirty-one million, ten thousand, three hundred thirty-three".