12102121963 has 2 divisors, whose sum is σ = 12102121964. Its totient is φ = 12102121962.

The previous prime is 12102121951. The next prime is 12102122161. The reversal of 12102121963 is 36912120121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12102121963 is a prime.

It is a super-2 number, since 2×12102121963² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12102121663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051060981 + 6051060982.

It is an arithmetic number, because the mean of its divisors is an integer number (6051060982).

Almost surely, 2^12102121963 is an apocalyptic number.

12102121963 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102121963 is an equidigital number, since it uses as much as digits as its factorization.

12102121963 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 12102121963 in words is "twelve billion, one hundred two million, one hundred twenty-one thousand, nine hundred sixty-three".