1213213063 has 2 divisors, whose sum is σ = 1213213064. Its totient is φ = 1213213062.

The previous prime is 1213213031. The next prime is 1213213097. The reversal of 1213213063 is 3603123121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213213063 - 2⁵ = 1213213031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213213003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606606531 + 606606532.

It is an arithmetic number, because the mean of its divisors is an integer number (606606532).

Almost surely, 2^1213213063 is an apocalyptic number.

1213213063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213213063 is an equidigital number, since it uses as much as digits as its factorization.

1213213063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1213213063 is about 34831.2081760022. The cubic root of 1213213063 is about 1066.5446116961.

Adding to 1213213063 its reverse (3603123121), we get a palindrome (4816336184).

The spelling of 1213213063 in words is "one billion, two hundred thirteen million, two hundred thirteen thousand, sixty-three".