12121201119 has 16 divisors (see below), whose sum is σ = 16386451200. Its totient is φ = 7968856896.

The previous prime is 12121201109. The next prime is 12121201129. The reversal of 12121201119 is 91110212121.

It is an interprime number because it is at equal distance from previous prime (12121201109) and next prime (12121201129).

It is not a de Polignac number, because 12121201119 - 2⁵ = 12121201087 is a prime.

It is a super-2 number, since 2×12121201119² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12121201095 and 12121201104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121201109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41302 + ... + 161084.

It is an arithmetic number, because the mean of its divisors is an integer number (1024153200).

Almost surely, 2^12121201119 is an apocalyptic number.

12121201119 is a deficient number, since it is larger than the sum of its proper divisors (4265250081).

12121201119 is a wasteful number, since it uses less digits than its factorization.

12121201119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120254.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 12121201119 in words is "twelve billion, one hundred twenty-one million, two hundred one thousand, one hundred nineteen".