121292008125119 has 4 divisors (see below), whose sum is σ = 130622162596296. Its totient is φ = 111961853653944.

The previous prime is 121292008125107. The next prime is 121292008125131. The reversal of 121292008125119 is 911521800292121.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (121292008125107) and next prime (121292008125131).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121292008125119 is a prime.

It is a super-2 number, since 2×121292008125119² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121292008125119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121292008125179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4665077235569 + ... + 4665077235594.

It is an arithmetic number, because the mean of its divisors is an integer number (32655540649074).

Almost surely, 2^{121292008125119} is an apocalyptic number.

121292008125119 is a deficient number, since it is larger than the sum of its proper divisors (9330154471177).

121292008125119 is an equidigital number, since it uses as much as digits as its factorization.

121292008125119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9330154471176.

The product of its (nonzero) digits is 51840, while the sum is 44.

The spelling of 121292008125119 in words is "one hundred twenty-one trillion, two hundred ninety-two billion, eight million, one hundred twenty-five thousand, one hundred nineteen".