213012434022 has 32 divisors (see below), whose sum is σ = 450572622720. Its totient is φ = 66948275520.

The previous prime is 213012433969. The next prime is 213012434023. The reversal of 213012434022 is 220434210312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213012433983 and 213012434001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213012434023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4403743 + ... + 4451850.

It is an arithmetic number, because the mean of its divisors is an integer number (14080394460).

Almost surely, 2^213012434022 is an apocalyptic number.

213012434022 is an abundant number, since it is smaller than the sum of its proper divisors (237560188698).

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

213012434022 is a wasteful number, since it uses less digits than its factorization.

213012434022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8855828.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 213012434022 its reverse (220434210312), we get a palindrome (433446644334).

The spelling of 213012434022 in words is "two hundred thirteen billion, twelve million, four hundred thirty-four thousand, twenty-two".