212201131323 has 4 divisors (see below), whose sum is σ = 282934841768. Its totient is φ = 141467420880.

The previous prime is 212201131283. The next prime is 212201131393. The reversal of 212201131323 is 323131102212.

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

It is not a de Polignac number, because 212201131323 - 2⁸ = 212201131067 is a prime.

It is a super-2 number, since 2×212201131323² (a number of 23 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 212201131323.

It is not an unprimeable number, because it can be changed into a prime (212201131393) 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, 35366855218 + ... + 35366855223.

It is an arithmetic number, because the mean of its divisors is an integer number (70733710442).

Almost surely, 2^212201131323 is an apocalyptic number.

212201131323 is a deficient number, since it is larger than the sum of its proper divisors (70733710445).

212201131323 is an equidigital number, since it uses as much as digits as its factorization.

212201131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70733710444.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212201131323 its reverse (323131102212), we get a palindrome (535332233535).

The spelling of 212201131323 in words is "two hundred twelve billion, two hundred one million, one hundred thirty-one thousand, three hundred twenty-three".