122011201342123 has 2 divisors, whose sum is σ = 122011201342124. Its totient is φ = 122011201342122.

The previous prime is 122011201342097. The next prime is 122011201342153. The reversal of 122011201342123 is 321243102110221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122011201342123 is a prime.

It is a super-3 number, since 3×122011201342123³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (122011201342153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005600671061 + 61005600671062.

It is an arithmetic number, because the mean of its divisors is an integer number (61005600671062).

Almost surely, 2^{122011201342123} is an apocalyptic number.

122011201342123 is a deficient number, since it is larger than the sum of its proper divisors (1).

122011201342123 is an equidigital number, since it uses as much as digits as its factorization.

122011201342123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 122011201342123 its reverse (321243102110221), we get a palindrome (443254303452344).

The spelling of 122011201342123 in words is "one hundred twenty-two trillion, eleven billion, two hundred one million, three hundred forty-two thousand, one hundred twenty-three".