212312220313 has 8 divisors (see below), whose sum is σ = 213404866848. Its totient is φ = 211222337664.

The previous prime is 212312220293. The next prime is 212312220361. The reversal of 212312220313 is 313022213212.

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 212312220313 - 2³⁷ = 74873266841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212312220013) 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, 536856 + ... + 844297.

It is an arithmetic number, because the mean of its divisors is an integer number (26675608356).

Almost surely, 2^212312220313 is an apocalyptic number.

It is an amenable number.

212312220313 is a deficient number, since it is larger than the sum of its proper divisors (1092646535).

212312220313 is a wasteful number, since it uses less digits than its factorization.

212312220313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381943.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212312220313 its reverse (313022213212), we get a palindrome (525334433525).

The spelling of 212312220313 in words is "two hundred twelve billion, three hundred twelve million, two hundred twenty thousand, three hundred thirteen".