213213400112 has 20 divisors (see below), whose sum is σ = 423176597256. Its totient is φ = 104006536320.

The previous prime is 213213400111. The next prime is 213213400129. The reversal of 213213400112 is 211004312312.

It is a super-2 number, since 2×213213400112² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213213400111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162509558 + ... + 162510869.

Almost surely, 2^213213400112 is an apocalyptic number.

It is an amenable number.

213213400112 is a deficient number, since it is larger than the sum of its proper divisors (209963197144).

213213400112 is a wasteful number, since it uses less digits than its factorization.

213213400112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325020476 (or 325020470 counting only the distinct ones).

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

Adding to 213213400112 its reverse (211004312312), we get a palindrome (424217712424).

The spelling of 213213400112 in words is "two hundred thirteen billion, two hundred thirteen million, four hundred thousand, one hundred twelve".