213000322122 has 24 divisors (see below), whose sum is σ = 527429369376. Its totient is φ = 60857234856.

The previous prime is 213000322091. The next prime is 213000322163. The reversal of 213000322122 is 221223000312.

213000322122 is a `hidden beast` number, since 21 + 300 + 0 + 322 + 1 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 213000322095 and 213000322104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 845239248 + ... + 845239499.

It is an arithmetic number, because the mean of its divisors is an integer number (21976223724).

Almost surely, 2^213000322122 is an apocalyptic number.

213000322122 is an abundant number, since it is smaller than the sum of its proper divisors (314429047254).

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

213000322122 is a wasteful number, since it uses less digits than its factorization.

213000322122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690478762 (or 1690478759 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 213000322122 its reverse (221223000312), we get a palindrome (434223322434).

The spelling of 213000322122 in words is "two hundred thirteen billion, three hundred twenty-two thousand, one hundred twenty-two".