122012144101 has 2 divisors, whose sum is σ = 122012144102. Its totient is φ = 122012144100.

The previous prime is 122012144087. The next prime is 122012144173. The reversal of 122012144101 is 101441210221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75171930625 + 46840213476 = 274175^2 + 216426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122012144101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122012148101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006072050 + 61006072051.

It is an arithmetic number, because the mean of its divisors is an integer number (61006072051).

Almost surely, 2^122012144101 is an apocalyptic number.

It is an amenable number.

122012144101 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012144101 is an equidigital number, since it uses as much as digits as its factorization.

122012144101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122012144101 its reverse (101441210221), we get a palindrome (223453354322).

The spelling of 122012144101 in words is "one hundred twenty-two billion, twelve million, one hundred forty-four thousand, one hundred one".