201223121200231 has 8 divisors (see below), whose sum is σ = 216720342935264. Its totient is φ = 185728545194400.

The previous prime is 201223121200133. The next prime is 201223121200247. The reversal of 201223121200231 is 132002121322102.

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

It is not a de Polignac number, because 201223121200231 - 2⁹ = 201223121199719 is a prime.

It is a super-2 number, since 2×201223121200231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201223121206231) 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, 661274331 + ... + 661578556.

It is an arithmetic number, because the mean of its divisors is an integer number (27090042866908).

Almost surely, 2^{201223121200231} is an apocalyptic number.

201223121200231 is a deficient number, since it is larger than the sum of its proper divisors (15497221735033).

201223121200231 is a wasteful number, since it uses less digits than its factorization.

201223121200231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322864601.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 201223121200231 its reverse (132002121322102), we get a palindrome (333225242522333).

The spelling of 201223121200231 in words is "two hundred one trillion, two hundred twenty-three billion, one hundred twenty-one million, two hundred thousand, two hundred thirty-one".