12101011021963 has 2 divisors, whose sum is σ = 12101011021964. Its totient is φ = 12101011021962.

The previous prime is 12101011021961. The next prime is 12101011022021. The reversal of 12101011021963 is 36912011010121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12101011021963 - 2¹ = 12101011021961 is a prime.

Together with 12101011021961, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12101011021961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050505510981 + 6050505510982.

It is an arithmetic number, because the mean of its divisors is an integer number (6050505510982).

Almost surely, 2^{12101011021963} is an apocalyptic number.

12101011021963 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101011021963 is an equidigital number, since it uses as much as digits as its factorization.

12101011021963 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 28.

The spelling of 12101011021963 in words is "twelve trillion, one hundred one billion, eleven million, twenty-one thousand, nine hundred sixty-three".