212322112310 has 32 divisors (see below), whose sum is σ = 476483910912. Its totient is φ = 66178320480.

The previous prime is 212322112309. The next prime is 212322112313. The reversal of 212322112310 is 13211223212.

It is a super-2 number, since 2×212322112310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212322112313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137870732 + ... + 137872271.

It is an arithmetic number, because the mean of its divisors is an integer number (14890122216).

Almost surely, 2^212322112310 is an apocalyptic number.

212322112310 is an abundant number, since it is smaller than the sum of its proper divisors (264161798602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212322112310 is a wasteful number, since it uses less digits than its factorization.

212322112310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275743028.

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

Adding to 212322112310 its reverse (13211223212), we get a palindrome (225533335522).

The spelling of 212322112310 in words is "two hundred twelve billion, three hundred twenty-two million, one hundred twelve thousand, three hundred ten".