121959676959122 has 8 divisors (see below), whose sum is σ = 182944224301872. Its totient is φ = 60978268858500.

The previous prime is 121959676959121. The next prime is 121959676959137. The reversal of 121959676959122 is 221959676959121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121959676959122.

It is not an unprimeable number, because it can be changed into a prime (121959676959121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784713404 + ... + 784868807.

It is an arithmetic number, because the mean of its divisors is an integer number (22868028037734).

Almost surely, 2^{121959676959122} is an apocalyptic number.

121959676959122 is a deficient number, since it is larger than the sum of its proper divisors (60984547342750).

121959676959122 is a wasteful number, since it uses less digits than its factorization.

121959676959122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569621064.

The product of its digits is 330674400, while the sum is 74.

Subtracting 121959676959122 from its reverse (221959676959121), we obtain a palindrome (99999999999999).

The spelling of 121959676959122 in words is "one hundred twenty-one trillion, nine hundred fifty-nine billion, six hundred seventy-six million, nine hundred fifty-nine thousand, one hundred twenty-two".