122231001213 has 32 divisors (see below), whose sum is σ = 188115153920. Its totient is φ = 78356341440.

The previous prime is 122231001199. The next prime is 122231001239. The reversal of 122231001213 is 312100132221.

It is not a de Polignac number, because 122231001213 - 2³⁶ = 53511524477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122231001413) 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, 333670 + ... + 596487.

It is an arithmetic number, because the mean of its divisors is an integer number (5878598560).

Almost surely, 2^122231001213 is an apocalyptic number.

It is an amenable number.

122231001213 is a deficient number, since it is larger than the sum of its proper divisors (65884152707).

122231001213 is a wasteful number, since it uses less digits than its factorization.

122231001213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930354 (or 930348 counting only the distinct ones).

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

Adding to 122231001213 its reverse (312100132221), we get a palindrome (434331133434).

The spelling of 122231001213 in words is "one hundred twenty-two billion, two hundred thirty-one million, one thousand, two hundred thirteen".