121251326327 has 2 divisors, whose sum is σ = 121251326328. Its totient is φ = 121251326326.

The previous prime is 121251326311. The next prime is 121251326369. The reversal of 121251326327 is 723623152121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121251326327 - 2⁴ = 121251326311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121251326827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60625663163 + 60625663164.

It is an arithmetic number, because the mean of its divisors is an integer number (60625663164).

Almost surely, 2^121251326327 is an apocalyptic number.

121251326327 is a deficient number, since it is larger than the sum of its proper divisors (1).

121251326327 is an equidigital number, since it uses as much as digits as its factorization.

121251326327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

Adding to 121251326327 its reverse (723623152121), we get a palindrome (844874478448).

The spelling of 121251326327 in words is "one hundred twenty-one billion, two hundred fifty-one million, three hundred twenty-six thousand, three hundred twenty-seven".