122001031213 has 2 divisors, whose sum is σ = 122001031214. Its totient is φ = 122001031212.

The previous prime is 122001031211. The next prime is 122001031237. The reversal of 122001031213 is 312130100221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109172750569 + 12828280644 = 330413^2 + 113262^2 .

It is an emirp because it is prime and its reverse (312130100221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122001031213 - 2¹ = 122001031211 is a prime.

Together with 122001031211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122001031211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000515606 + 61000515607.

It is an arithmetic number, because the mean of its divisors is an integer number (61000515607).

Almost surely, 2^122001031213 is an apocalyptic number.

It is an amenable number.

122001031213 is a deficient number, since it is larger than the sum of its proper divisors (1).

122001031213 is an equidigital number, since it uses as much as digits as its factorization.

122001031213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 122001031213 its reverse (312130100221), we get a palindrome (434131131434).

The spelling of 122001031213 in words is "one hundred twenty-two billion, one million, thirty-one thousand, two hundred thirteen".