121214321027 has 2 divisors, whose sum is σ = 121214321028. Its totient is φ = 121214321026.

The previous prime is 121214320979. The next prime is 121214321051. The reversal of 121214321027 is 720123412121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121214321027 - 2³⁰ = 120140579203 is a prime.

It is a super-2 number, since 2×121214321027² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121214320987 and 121214321005.

It is not a weakly prime, because it can be changed into another prime (121214321227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60607160513 + 60607160514.

It is an arithmetic number, because the mean of its divisors is an integer number (60607160514).

Almost surely, 2^121214321027 is an apocalyptic number.

121214321027 is a deficient number, since it is larger than the sum of its proper divisors (1).

121214321027 is an equidigital number, since it uses as much as digits as its factorization.

121214321027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 121214321027 its reverse (720123412121), we get a palindrome (841337733148).

The spelling of 121214321027 in words is "one hundred twenty-one billion, two hundred fourteen million, three hundred twenty-one thousand, twenty-seven".