212323133211011 has 4 divisors (see below), whose sum is σ = 217260880495032. Its totient is φ = 207385385926992.

The previous prime is 212323133210989. The next prime is 212323133211037. The reversal of 212323133211011 is 110112331323212.

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 212323133211011 - 2³⁰ = 212322059469187 is a prime.

It is a super-2 number, since 2×212323133211011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212323133211041) 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, 2468873641946 + ... + 2468873642031.

It is an arithmetic number, because the mean of its divisors is an integer number (54315220123758).

Almost surely, 2^{212323133211011} is an apocalyptic number.

212323133211011 is a deficient number, since it is larger than the sum of its proper divisors (4937747284021).

212323133211011 is an equidigital number, since it uses as much as digits as its factorization.

212323133211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937747284020.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 212323133211011 its reverse (110112331323212), we get a palindrome (322435464534223).

The spelling of 212323133211011 in words is "two hundred twelve trillion, three hundred twenty-three billion, one hundred thirty-three million, two hundred eleven thousand, eleven".