212033222031 has 4 divisors (see below), whose sum is σ = 282710962712. Its totient is φ = 141355481352.

The previous prime is 212033222021. The next prime is 212033222059. The reversal of 212033222031 is 130222330212.

It is a happy number.

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

It is not a de Polignac number, because 212033222031 - 2³⁴ = 194853352847 is a prime.

It is a super-2 number, since 2×212033222031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212033221989 and 212033222007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212033222021) 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, 35338870336 + ... + 35338870341.

It is an arithmetic number, because the mean of its divisors is an integer number (70677740678).

Almost surely, 2^212033222031 is an apocalyptic number.

212033222031 is a deficient number, since it is larger than the sum of its proper divisors (70677740681).

212033222031 is an equidigital number, since it uses as much as digits as its factorization.

212033222031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70677740680.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212033222031 its reverse (130222330212), we get a palindrome (342255552243).

The spelling of 212033222031 in words is "two hundred twelve billion, thirty-three million, two hundred twenty-two thousand, thirty-one".