122000012331 has 4 divisors (see below), whose sum is σ = 162666683112. Its totient is φ = 81333341552.

The previous prime is 122000012293. The next prime is 122000012353. The reversal of 122000012331 is 133210000221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133210000221 = 3 ⋅44403333407.

It is a cyclic number.

It is not a de Polignac number, because 122000012331 - 2¹⁰ = 122000011307 is a prime.

It is a super-2 number, since 2×122000012331² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122000012331.

It is not an unprimeable number, because it can be changed into a prime (122000012231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20333335386 + ... + 20333335391.

It is an arithmetic number, because the mean of its divisors is an integer number (40666670778).

Almost surely, 2^122000012331 is an apocalyptic number.

122000012331 is a deficient number, since it is larger than the sum of its proper divisors (40666670781).

122000012331 is an equidigital number, since it uses as much as digits as its factorization.

122000012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40666670780.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 122000012331 its reverse (133210000221), we get a palindrome (255210012552).

The spelling of 122000012331 in words is "one hundred twenty-two billion, twelve thousand, three hundred thirty-one".