1212210121327 has 2 divisors, whose sum is σ = 1212210121328. Its totient is φ = 1212210121326.

The previous prime is 1212210121321. The next prime is 1212210121351. The reversal of 1212210121327 is 7231210122121.

It is a weak prime.

It is an emirp because it is prime and its reverse (7231210122121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1212210121327 - 2³⁵ = 1177850382959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212210121321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606105060663 + 606105060664.

It is an arithmetic number, because the mean of its divisors is an integer number (606105060664).

Almost surely, 2^{1212210121327} is an apocalyptic number.

1212210121327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212210121327 is an equidigital number, since it uses as much as digits as its factorization.

1212210121327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 1212210121327 its reverse (7231210122121), we get a palindrome (8443420243448).

The spelling of 1212210121327 in words is "one trillion, two hundred twelve billion, two hundred ten million, one hundred twenty-one thousand, three hundred twenty-seven".