122142444430427 has 2 divisors, whose sum is σ = 122142444430428. Its totient is φ = 122142444430426.

The previous prime is 122142444430403. The next prime is 122142444430463. The reversal of 122142444430427 is 724034444241221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122142444430427 - 2¹⁰ = 122142444429403 is a prime.

It is not a weakly prime, because it can be changed into another prime (122142444430927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61071222215213 + 61071222215214.

It is an arithmetic number, because the mean of its divisors is an integer number (61071222215214).

Almost surely, 2^{122142444430427} is an apocalyptic number.

122142444430427 is a deficient number, since it is larger than the sum of its proper divisors (1).

122142444430427 is an equidigital number, since it uses as much as digits as its factorization.

122142444430427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1376256, while the sum is 44.

Adding to 122142444430427 its reverse (724034444241221), we get a palindrome (846176888671648).

The spelling of 122142444430427 in words is "one hundred twenty-two trillion, one hundred forty-two billion, four hundred forty-four million, four hundred thirty thousand, four hundred twenty-seven".