12121001119 has 2 divisors, whose sum is σ = 12121001120. Its totient is φ = 12121001118.

The previous prime is 12121001111. The next prime is 12121001129. The reversal of 12121001119 is 91110012121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12121001119 - 2³ = 12121001111 is a prime.

It is a super-2 number, since 2×12121001119² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12121001096 and 12121001105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12121001111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060500559 + 6060500560.

It is an arithmetic number, because the mean of its divisors is an integer number (6060500560).

Almost surely, 2^12121001119 is an apocalyptic number.

12121001119 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121001119 is an equidigital number, since it uses as much as digits as its factorization.

12121001119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 12121001119 in words is "twelve billion, one hundred twenty-one million, one thousand, one hundred nineteen".