212322011231 has 8 divisors (see below), whose sum is σ = 233917320528. Its totient is φ = 191108920000.

The previous prime is 212322011201. The next prime is 212322011261. The reversal of 212322011231 is 132110223212.

It is an interprime number because it is at equal distance from previous prime (212322011201) and next prime (212322011261).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212322011231 - 2¹⁴ = 212321994847 is a prime.

It is a super-2 number, since 2×212322011231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212322011201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95553350 + ... + 95555571.

It is an arithmetic number, because the mean of its divisors is an integer number (29239665066).

Almost surely, 2^212322011231 is an apocalyptic number.

212322011231 is a deficient number, since it is larger than the sum of its proper divisors (21595309297).

212322011231 is a wasteful number, since it uses less digits than its factorization.

212322011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191109033.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212322011231 its reverse (132110223212), we get a palindrome (344432234443).

The spelling of 212322011231 in words is "two hundred twelve billion, three hundred twenty-two million, eleven thousand, two hundred thirty-one".