121673107108 has 24 divisors (see below), whose sum is σ = 246978251072. Its totient is φ = 51367323744.

The previous prime is 121673107103. The next prime is 121673107121. The reversal of 121673107108 is 801701376121.

It is not an unprimeable number, because it can be changed into a prime (121673107103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32426991 + ... + 32430742.

Almost surely, 2^121673107108 is an apocalyptic number.

It is an amenable number.

121673107108 is an abundant number, since it is smaller than the sum of its proper divisors (125305143964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121673107108 is a wasteful number, since it uses less digits than its factorization.

121673107108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64857811 (or 64857809 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 37.

The spelling of 121673107108 in words is "one hundred twenty-one billion, six hundred seventy-three million, one hundred seven thousand, one hundred eight".