122201231313 has 16 divisors (see below), whose sum is σ = 188834098176. Its totient is φ = 68845763280.

The previous prime is 122201231267. The next prime is 122201231329. The reversal of 122201231313 is 313132102221.

It is not a de Polignac number, because 122201231313 - 2¹³ = 122201223121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 122201231313.

It is not an unprimeable number, because it can be changed into a prime (122201231333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40978131 + ... + 40981112.

It is an arithmetic number, because the mean of its divisors is an integer number (11802131136).

Almost surely, 2^122201231313 is an apocalyptic number.

It is an amenable number.

122201231313 is a deficient number, since it is larger than the sum of its proper divisors (66632866863).

122201231313 is an equidigital number, since it uses as much as digits as its factorization.

122201231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81959324.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 122201231313 its reverse (313132102221), we get a palindrome (435333333534).

The spelling of 122201231313 in words is "one hundred twenty-two billion, two hundred one million, two hundred thirty-one thousand, three hundred thirteen".