212213031310 has 48 divisors (see below), whose sum is σ = 444509616240. Its totient is φ = 72732307200.

The previous prime is 212213031299. The next prime is 212213031311. The reversal of 212213031310 is 13130312212.

It is a super-2 number, since 2×212213031310² (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 (212213031311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1295181 + ... + 1449799.

It is an arithmetic number, because the mean of its divisors is an integer number (9260617005).

Almost surely, 2^212213031310 is an apocalyptic number.

212213031310 is an abundant number, since it is smaller than the sum of its proper divisors (232296584930).

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

212213031310 is a wasteful number, since it uses less digits than its factorization.

212213031310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157441 (or 157434 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212213031310 its reverse (13130312212), we get a palindrome (225343343522).

The spelling of 212213031310 in words is "two hundred twelve billion, two hundred thirteen million, thirty-one thousand, three hundred ten".