213122012301 has 32 divisors (see below), whose sum is σ = 352840602240. Its totient is φ = 126014486400.

The previous prime is 213122012267. The next prime is 213122012309. The reversal of 213122012301 is 103210221312.

213122012301 is a `hidden beast` number, since 2 + 131 + 220 + 12 + 301 = 666.

It is not a de Polignac number, because 213122012301 - 2¹¹ = 213122010253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213122012309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8738830 + ... + 8763183.

It is an arithmetic number, because the mean of its divisors is an integer number (11026268820).

Almost surely, 2^213122012301 is an apocalyptic number.

It is an amenable number.

213122012301 is a deficient number, since it is larger than the sum of its proper divisors (139718589939).

213122012301 is a wasteful number, since it uses less digits than its factorization.

213122012301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17502074 (or 17502068 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 213122012301 its reverse (103210221312), we get a palindrome (316332233613).

The spelling of 213122012301 in words is "two hundred thirteen billion, one hundred twenty-two million, twelve thousand, three hundred one".