121302440327 has 2 divisors, whose sum is σ = 121302440328. Its totient is φ = 121302440326.

The previous prime is 121302440293. The next prime is 121302440341. The reversal of 121302440327 is 723044203121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121302440327 - 2⁸ = 121302440071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121302440327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121302440377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60651220163 + 60651220164.

It is an arithmetic number, because the mean of its divisors is an integer number (60651220164).

Almost surely, 2^121302440327 is an apocalyptic number.

121302440327 is a deficient number, since it is larger than the sum of its proper divisors (1).

121302440327 is an equidigital number, since it uses as much as digits as its factorization.

121302440327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 121302440327 its reverse (723044203121), we get a palindrome (844346643448).

The spelling of 121302440327 in words is "one hundred twenty-one billion, three hundred two million, four hundred forty thousand, three hundred twenty-seven".