213012321022 has 8 divisors (see below), whose sum is σ = 319522073400. Its totient is φ = 106504963224.

The previous prime is 213012321019. The next prime is 213012321031. The reversal of 213012321022 is 220123210312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356697 + ... + 743812.

It is an arithmetic number, because the mean of its divisors is an integer number (39940259175).

Almost surely, 2^213012321022 is an apocalyptic number.

213012321022 is a deficient number, since it is larger than the sum of its proper divisors (106509752378).

213012321022 is a wasteful number, since it uses less digits than its factorization.

213012321022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197290.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 213012321022 its reverse (220123210312), we get a palindrome (433135531334).

The spelling of 213012321022 in words is "two hundred thirteen billion, twelve million, three hundred twenty-one thousand, twenty-two".