212113963 has 2 divisors, whose sum is σ = 212113964. Its totient is φ = 212113962.

The previous prime is 212113939. The next prime is 212113999. The reversal of 212113963 is 369311212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212113963 - 2¹⁷ = 211982891 is a prime.

It is not a weakly prime, because it can be changed into another prime (212113903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056981 + 106056982.

It is an arithmetic number, because the mean of its divisors is an integer number (106056982).

Almost surely, 2^212113963 is an apocalyptic number.

212113963 is a deficient number, since it is larger than the sum of its proper divisors (1).

212113963 is an equidigital number, since it uses as much as digits as its factorization.

212113963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 28.

The square root of 212113963 is about 14564.1327582524. The cubic root of 212113963 is about 596.3800211038.

The spelling of 212113963 in words is "two hundred twelve million, one hundred thirteen thousand, nine hundred sixty-three".