1212321463 has 2 divisors, whose sum is σ = 1212321464. Its totient is φ = 1212321462.

The previous prime is 1212321419. The next prime is 1212321499. The reversal of 1212321463 is 3641232121.

It is a strong prime.

It is an emirp because it is prime and its reverse (3641232121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1212321463 - 2²¹ = 1210224311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212321263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606160731 + 606160732.

It is an arithmetic number, because the mean of its divisors is an integer number (606160732).

Almost surely, 2^1212321463 is an apocalyptic number.

1212321463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212321463 is an equidigital number, since it uses as much as digits as its factorization.

1212321463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 1212321463 is about 34818.4069566659. The cubic root of 1212321463 is about 1066.2832769399.

Adding to 1212321463 its reverse (3641232121), we get a palindrome (4853553584).

The spelling of 1212321463 in words is "one billion, two hundred twelve million, three hundred twenty-one thousand, four hundred sixty-three".