122120001013 has 2 divisors, whose sum is σ = 122120001014. Its totient is φ = 122120001012.

The previous prime is 122120000921. The next prime is 122120001019. The reversal of 122120001013 is 310100021221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77859415089 + 44260585924 = 279033^2 + 210382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122120001013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122120000984 and 122120001002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122120001019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060000506 + 61060000507.

It is an arithmetic number, because the mean of its divisors is an integer number (61060000507).

Almost surely, 2^122120001013 is an apocalyptic number.

It is an amenable number.

122120001013 is a deficient number, since it is larger than the sum of its proper divisors (1).

122120001013 is an equidigital number, since it uses as much as digits as its factorization.

122120001013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 122120001013 its reverse (310100021221), we get a palindrome (432220022234).

The spelling of 122120001013 in words is "one hundred twenty-two billion, one hundred twenty million, one thousand, thirteen".