121254804000 has 576 divisors, whose sum is σ = 489902370048. Its totient is φ = 28114944000.

The previous prime is 121254803987. The next prime is 121254804007. The reversal of 121254804000 is 408452121.

121254804000 is a `hidden beast` number, since 1 + 2 + 1 + 254 + 8 + 0 + 400 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (121254804007) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9101344 + ... + 9114656.

It is an arithmetic number, because the mean of its divisors is an integer number (850524948).

Almost surely, 2^121254804000 is an apocalyptic number.

121254804000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121254804000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244951185024).

121254804000 is an abundant number, since it is smaller than the sum of its proper divisors (368647566048).

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

121254804000 is a wasteful number, since it uses less digits than its factorization.

121254804000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13378 (or 13357 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The spelling of 121254804000 in words is "one hundred twenty-one billion, two hundred fifty-four million, eight hundred four thousand".