213001303122 has 48 divisors (see below), whose sum is σ = 462557560608. Its totient is φ = 70838317440.

The previous prime is 213001303079. The next prime is 213001303127. The reversal of 213001303122 is 221303100312.

213001303122 is a `hidden beast` number, since 21 + 300 + 1 + 30 + 312 + 2 = 666.

213001303122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×213001303122³ (a number of 35 digits) contains 333 as substring.

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 = 213001303095 and 213001303104.

It is not an unprimeable number, because it can be changed into a prime (213001303127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21460453 + ... + 21470375.

It is an arithmetic number, because the mean of its divisors is an integer number (9636615846).

Almost surely, 2^213001303122 is an apocalyptic number.

213001303122 is an abundant number, since it is smaller than the sum of its proper divisors (249556257486).

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

213001303122 is a wasteful number, since it uses less digits than its factorization.

213001303122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12535 (or 12532 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213001303122 its reverse (221303100312), we get a palindrome (434304403434).

The spelling of 213001303122 in words is "two hundred thirteen billion, one million, three hundred three thousand, one hundred twenty-two".