1212101963 has 2 divisors, whose sum is σ = 1212101964. Its totient is φ = 1212101962.

The previous prime is 1212101929. The next prime is 1212102013. The reversal of 1212101963 is 3691012121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212101963 - 2⁶ = 1212101899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212101923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606050981 + 606050982.

It is an arithmetic number, because the mean of its divisors is an integer number (606050982).

Almost surely, 2^1212101963 is an apocalyptic number.

1212101963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212101963 is an equidigital number, since it uses as much as digits as its factorization.

1212101963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1212101963 is about 34815.2547455853. The cubic root of 1212101963 is about 1066.2189201629.

The spelling of 1212101963 in words is "one billion, two hundred twelve million, one hundred one thousand, nine hundred sixty-three".