121974336000 has 1920 divisors, whose sum is σ = 535357734912. Its totient is φ = 27371520000.

The previous prime is 121974335947. The next prime is 121974336007. The reversal of 121974336000 is 633479121.

121974336000 is a `hidden beast` number, since 1 + 2 + 1 + 9 + 7 + 43 + 3 + 600 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121974336007) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3934655985 + ... + 3934656015.

Almost surely, 2^121974336000 is an apocalyptic number.

121974336000 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 121974336000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267678867456).

121974336000 is an abundant number, since it is smaller than the sum of its proper divisors (413383398912).

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

121974336000 is an equidigital number, since it uses as much as digits as its factorization.

121974336000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 121974336000 in words is "one hundred twenty-one billion, nine hundred seventy-four million, three hundred thirty-six thousand".