1210002121963 has 2 divisors, whose sum is σ = 1210002121964. Its totient is φ = 1210002121962.

The previous prime is 1210002121849. The next prime is 1210002122011. The reversal of 1210002121963 is 3691212000121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1210002121963 - 2²⁵ = 1209968567531 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210002121063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605001060981 + 605001060982.

It is an arithmetic number, because the mean of its divisors is an integer number (605001060982).

Almost surely, 2^{1210002121963} is an apocalyptic number.

1210002121963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210002121963 is an equidigital number, since it uses as much as digits as its factorization.

1210002121963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 1210002121963 in words is "one trillion, two hundred ten billion, two million, one hundred twenty-one thousand, nine hundred sixty-three".