122012421403351 has 2 divisors, whose sum is σ = 122012421403352. Its totient is φ = 122012421403350.

The previous prime is 122012421403253. The next prime is 122012421403487. The reversal of 122012421403351 is 153304124210221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122012421403351 - 2¹⁵ = 122012421370583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122012421404351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006210701675 + 61006210701676.

It is an arithmetic number, because the mean of its divisors is an integer number (61006210701676).

Almost surely, 2^{122012421403351} is an apocalyptic number.

122012421403351 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012421403351 is an equidigital number, since it uses as much as digits as its factorization.

122012421403351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 122012421403351 its reverse (153304124210221), we get a palindrome (275316545613572).

The spelling of 122012421403351 in words is "one hundred twenty-two trillion, twelve billion, four hundred twenty-one million, four hundred three thousand, three hundred fifty-one".