213222210042 has 32 divisors (see below), whose sum is σ = 427700625408. Its totient is φ = 70864974576.

The previous prime is 213222210023. The next prime is 213222210053. The reversal of 213222210042 is 240012222312.

213222210042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 3174903 + ... + 3241365.

It is an arithmetic number, because the mean of its divisors is an integer number (13365644544).

Almost surely, 2^213222210042 is an apocalyptic number.

213222210042 is an abundant number, since it is smaller than the sum of its proper divisors (214478415366).

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

213222210042 is a wasteful number, since it uses less digits than its factorization.

213222210042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68034.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 213222210042 its reverse (240012222312), we get a palindrome (453234432354).

The spelling of 213222210042 in words is "two hundred thirteen billion, two hundred twenty-two million, two hundred ten thousand, forty-two".