212300121553223 has 4 divisors (see below), whose sum is σ = 231600132603528. Its totient is φ = 193000110502920.

The previous prime is 212300121553211. The next prime is 212300121553271. The reversal of 212300121553223 is 322355121003212.

It is a happy number.

212300121553223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212300121553223 - 2³⁶ = 212231402076487 is a prime.

It is a super-2 number, since 2×212300121553223² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212300121553223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212300121552223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9650005525136 + ... + 9650005525157.

It is an arithmetic number, because the mean of its divisors is an integer number (57900033150882).

Almost surely, 2^{212300121553223} is an apocalyptic number.

212300121553223 is a deficient number, since it is larger than the sum of its proper divisors (19300011050305).

212300121553223 is a wasteful number, since it uses less digits than its factorization.

212300121553223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19300011050304.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 212300121553223 its reverse (322355121003212), we get a palindrome (534655242556435).

The spelling of 212300121553223 in words is "two hundred twelve trillion, three hundred billion, one hundred twenty-one million, five hundred fifty-three thousand, two hundred twenty-three".