212302134201023 has 4 divisors (see below), whose sum is σ = 214404135529848. Its totient is φ = 210200132872200.

The previous prime is 212302134201013. The next prime is 212302134201029. The reversal of 212302134201023 is 320102431203212.

212302134201023 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 a de Polignac number, because none of the positive numbers 2^k-212302134201023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212302134200983 and 212302134201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212302134201029) 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, 1051000664261 + ... + 1051000664462.

It is an arithmetic number, because the mean of its divisors is an integer number (53601033882462).

Almost surely, 2^{212302134201023} is an apocalyptic number.

212302134201023 is a deficient number, since it is larger than the sum of its proper divisors (2102001328825).

212302134201023 is a wasteful number, since it uses less digits than its factorization.

212302134201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102001328824.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 212302134201023 its reverse (320102431203212), we get a palindrome (532404565404235).

The spelling of 212302134201023 in words is "two hundred twelve trillion, three hundred two billion, one hundred thirty-four million, two hundred one thousand, twenty-three".