201212011131023 has 8 divisors (see below), whose sum is σ = 205509569644800. Its totient is φ = 196915138112920.

The previous prime is 201212011130993. The next prime is 201212011131029. The reversal of 201212011131023 is 320131110212102.

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 201212011131023 - 2¹² = 201212011126927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201212011130986 and 201212011131004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212011131029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170780573 + ... + 171954726.

It is an arithmetic number, because the mean of its divisors is an integer number (25688696205600).

Almost surely, 2^{201212011131023} is an apocalyptic number.

201212011131023 is a deficient number, since it is larger than the sum of its proper divisors (4297558513777).

201212011131023 is a wasteful number, since it uses less digits than its factorization.

201212011131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342747837.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 201212011131023 its reverse (320131110212102), we get a palindrome (521343121343125).

The spelling of 201212011131023 in words is "two hundred one trillion, two hundred twelve billion, eleven million, one hundred thirty-one thousand, twenty-three".