121676211407 has 2 divisors, whose sum is σ = 121676211408. Its totient is φ = 121676211406.

The previous prime is 121676211389. The next prime is 121676211439. The reversal of 121676211407 is 704112676121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121676211407 - 2²⁶ = 121609102543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121676211467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60838105703 + 60838105704.

It is an arithmetic number, because the mean of its divisors is an integer number (60838105704).

Almost surely, 2^121676211407 is an apocalyptic number.

121676211407 is a deficient number, since it is larger than the sum of its proper divisors (1).

121676211407 is an equidigital number, since it uses as much as digits as its factorization.

121676211407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 38.

Adding to 121676211407 its reverse (704112676121), we get a palindrome (825788887528).

The spelling of 121676211407 in words is "one hundred twenty-one billion, six hundred seventy-six million, two hundred eleven thousand, four hundred seven".