213121432322 has 8 divisors (see below), whose sum is σ = 319754438976. Its totient is φ = 106536619332.

The previous prime is 213121432319. The next prime is 213121432351. The reversal of 213121432322 is 223234121312.

213121432322 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 213121432291 and 213121432300.

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 3 ways as a sum of consecutive naturals, for example, 12037358 + ... + 12055049.

It is an arithmetic number, because the mean of its divisors is an integer number (39969304872).

Almost surely, 2^213121432322 is an apocalyptic number.

213121432322 is a deficient number, since it is larger than the sum of its proper divisors (106633006654).

213121432322 is a wasteful number, since it uses less digits than its factorization.

213121432322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24096832.

The product of its digits is 3456, while the sum is 26.

Adding to 213121432322 its reverse (223234121312), we get a palindrome (436355553634).

The spelling of 213121432322 in words is "two hundred thirteen billion, one hundred twenty-one million, four hundred thirty-two thousand, three hundred twenty-two".