212035153523 has 4 divisors (see below), whose sum is σ = 215021564208. Its totient is φ = 209048742840.

The previous prime is 212035153507. The next prime is 212035153531. The reversal of 212035153523 is 325351530212.

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 212035153523 - 2⁴ = 212035153507 is a prime.

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 212035153523.

It is not an unprimeable number, because it can be changed into a prime (212035158523) 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, 1493205236 + ... + 1493205377.

It is an arithmetic number, because the mean of its divisors is an integer number (53755391052).

Almost surely, 2^212035153523 is an apocalyptic number.

212035153523 is a deficient number, since it is larger than the sum of its proper divisors (2986410685).

212035153523 is an equidigital number, since it uses as much as digits as its factorization.

212035153523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986410684.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 212035153523 its reverse (325351530212), we get a palindrome (537386683735).

The spelling of 212035153523 in words is "two hundred twelve billion, thirty-five million, one hundred fifty-three thousand, five hundred twenty-three".