213204220112 has 40 divisors (see below), whose sum is σ = 445026516480. Its totient is φ = 98364850560.

The previous prime is 213204219983. The next prime is 213204220127. The reversal of 213204220112 is 211022402312.

213204220112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213204220112² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363689 + ... + 747447.

It is an arithmetic number, because the mean of its divisors is an integer number (11125662912).

Almost surely, 2^213204220112 is an apocalyptic number.

It is an amenable number.

213204220112 is an abundant number, since it is smaller than the sum of its proper divisors (231822296368).

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

213204220112 is a wasteful number, since it uses less digits than its factorization.

213204220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386451 (or 386445 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 213204220112 its reverse (211022402312), we get a palindrome (424226622424).

The spelling of 213204220112 in words is "two hundred thirteen billion, two hundred four million, two hundred twenty thousand, one hundred twelve".