212022031301231 has 4 divisors (see below), whose sum is σ = 212022526612200. Its totient is φ = 212021535990264.

The previous prime is 212022031301221. The next prime is 212022031301233. The reversal of 212022031301231 is 132103130220212.

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 212022031301231 - 2¹⁰ = 212022031300207 is a prime.

It is a super-2 number, since 2×212022031301231² (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 = 212022031301197 and 212022031301206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022031301233) 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, 247012841 + ... + 247869698.

It is an arithmetic number, because the mean of its divisors is an integer number (53005631653050).

Almost surely, 2^{212022031301231} is an apocalyptic number.

212022031301231 is a deficient number, since it is larger than the sum of its proper divisors (495310969).

212022031301231 is an equidigital number, since it uses as much as digits as its factorization.

212022031301231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495310968.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 212022031301231 its reverse (132103130220212), we get a palindrome (344125161521443).

The spelling of 212022031301231 in words is "two hundred twelve trillion, twenty-two billion, thirty-one million, three hundred one thousand, two hundred thirty-one".