121200488995104 has 288 divisors, whose sum is σ = 364860254304000. Its totient is φ = 38086518497280.

The previous prime is 121200488995031. The next prime is 121200488995111. The reversal of 121200488995104 is 401599884002121.

121200488995104 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 0 + 0 + 48 + 89 + 9 + 510 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183015172 + ... + 183676220.

It is an arithmetic number, because the mean of its divisors is an integer number (1266875883000).

Almost surely, 2^{121200488995104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121200488995104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182430127152000).

121200488995104 is an abundant number, since it is smaller than the sum of its proper divisors (243659765308896).

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

121200488995104 is a wasteful number, since it uses less digits than its factorization.

121200488995104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661488 (or 661477 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 54.

The spelling of 121200488995104 in words is "one hundred twenty-one trillion, two hundred billion, four hundred eighty-eight million, nine hundred ninety-five thousand, one hundred four".