213303121112 has 32 divisors (see below), whose sum is σ = 421160968800. Its totient is φ = 101078613504.

The previous prime is 213303121093. The next prime is 213303121169. The reversal of 213303121112 is 211121303312.

It is a happy number.

213303121112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213303121112² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5297633 + ... + 5337744.

It is an arithmetic number, because the mean of its divisors is an integer number (13161280275).

Almost surely, 2^213303121112 is an apocalyptic number.

It is an amenable number.

213303121112 is a deficient number, since it is larger than the sum of its proper divisors (207857847688).

213303121112 is a wasteful number, since it uses less digits than its factorization.

213303121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10635515 (or 10635511 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213303121112 its reverse (211121303312), we get a palindrome (424424424424).

The spelling of 213303121112 in words is "two hundred thirteen billion, three hundred three million, one hundred twenty-one thousand, one hundred twelve".