201211212030023 has 8 divisors (see below), whose sum is σ = 223678965234816. Its totient is φ = 179742025634400.

The previous prime is 201211212029987. The next prime is 201211212030077. The reversal of 201211212030023 is 320030212112102.

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 201211212030023 - 2¹⁴ = 201211212013639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201211212029977 and 201211212030004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211212030823) 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, 249641701868 + ... + 249641702673.

It is an arithmetic number, because the mean of its divisors is an integer number (27959870654352).

Almost surely, 2^{201211212030023} is an apocalyptic number.

201211212030023 is a deficient number, since it is larger than the sum of its proper divisors (22467753204793).

201211212030023 is a wasteful number, since it uses less digits than its factorization.

201211212030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499283404585.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 201211212030023 its reverse (320030212112102), we get a palindrome (521241424142125).

The spelling of 201211212030023 in words is "two hundred one trillion, two hundred eleven billion, two hundred twelve million, thirty thousand, twenty-three".