121201011984 has 80 divisors (see below), whose sum is σ = 348064500224. Its totient is φ = 36089625600.

The previous prime is 121201011949. The next prime is 121201012003. The reversal of 121201011984 is 489110102121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3113437 + ... + 3152124.

Almost surely, 2^121201011984 is an apocalyptic number.

It is an amenable number.

121201011984 is an abundant number, since it is smaller than the sum of its proper divisors (226863488240).

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

121201011984 is a wasteful number, since it uses less digits than its factorization.

121201011984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6265616 (or 6265610 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 30.

The spelling of 121201011984 in words is "one hundred twenty-one billion, two hundred one million, eleven thousand, nine hundred eighty-four".