212202122223031 has 4 divisors (see below), whose sum is σ = 212224224318064. Its totient is φ = 212180020128000.

The previous prime is 212202122223029. The next prime is 212202122223037. The reversal of 212202122223031 is 130322221202212.

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 212202122223031 - 2¹ = 212202122223029 is a prime.

It is a super-2 number, since 2×212202122223031² (a number of 29 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 = 212202122222987 and 212202122223005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202122223037) 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, 11051033115 + ... + 11051052316.

It is an arithmetic number, because the mean of its divisors is an integer number (53056056079516).

Almost surely, 2^{212202122223031} is an apocalyptic number.

212202122223031 is a deficient number, since it is larger than the sum of its proper divisors (22102095033).

212202122223031 is an equidigital number, since it uses as much as digits as its factorization.

212202122223031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22102095032.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 212202122223031 its reverse (130322221202212), we get a palindrome (342524343425243).

The spelling of 212202122223031 in words is "two hundred twelve trillion, two hundred two billion, one hundred twenty-two million, two hundred twenty-three thousand, thirty-one".