201202121223 has 12 divisors (see below), whose sum is σ = 290673569160. Its totient is φ = 134112463056.

The previous prime is 201202121143. The next prime is 201202121231. The reversal of 201202121223 is 322121202102.

201202121223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201202121223 - 2¹⁶ = 201202055687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201202121196 and 201202121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201202121273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1799761 + ... + 1908282.

It is an arithmetic number, because the mean of its divisors is an integer number (24222797430).

Almost surely, 2^201202121223 is an apocalyptic number.

201202121223 is a deficient number, since it is larger than the sum of its proper divisors (89471447937).

201202121223 is a wasteful number, since it uses less digits than its factorization.

201202121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714078 (or 3714075 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 201202121223 its reverse (322121202102), we get a palindrome (523323323325).

The spelling of 201202121223 in words is "two hundred one billion, two hundred two million, one hundred twenty-one thousand, two hundred twenty-three".