12101219863 has 2 divisors, whose sum is σ = 12101219864. Its totient is φ = 12101219862.

The previous prime is 12101219857. The next prime is 12101219881. The reversal of 12101219863 is 36891210121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12101219863 is a prime.

It is a super-3 number, since 3×12101219863³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12101219843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050609931 + 6050609932.

It is an arithmetic number, because the mean of its divisors is an integer number (6050609932).

Almost surely, 2^12101219863 is an apocalyptic number.

12101219863 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101219863 is an equidigital number, since it uses as much as digits as its factorization.

12101219863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

Adding to 12101219863 its reverse (36891210121), we get a palindrome (48992429984).

The spelling of 12101219863 in words is "twelve billion, one hundred one million, two hundred nineteen thousand, eight hundred sixty-three".