122001212031 has 4 divisors (see below), whose sum is σ = 162668282712. Its totient is φ = 81334141352.

The previous prime is 122001212017. The next prime is 122001212059. The reversal of 122001212031 is 130212100221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122001212031 - 2⁷ = 122001211903 is a prime.

It is a super-2 number, since 2×122001212031² (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 122001212031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001219031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20333535336 + ... + 20333535341.

It is an arithmetic number, because the mean of its divisors is an integer number (40667070678).

Almost surely, 2^122001212031 is an apocalyptic number.

122001212031 is a deficient number, since it is larger than the sum of its proper divisors (40667070681).

122001212031 is an equidigital number, since it uses as much as digits as its factorization.

122001212031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40667070680.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 122001212031 its reverse (130212100221), we get a palindrome (252213312252).

The spelling of 122001212031 in words is "one hundred twenty-two billion, one million, two hundred twelve thousand, thirty-one".