121046783400 has 192 divisors, whose sum is σ = 417115267200. Its totient is φ = 32265492480.

The previous prime is 121046783371. The next prime is 121046783461. The reversal of 121046783400 is 4387640121.

121046783400 is a `hidden beast` number, since 12 + 104 + 67 + 83 + 400 = 666.

121046783400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

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, 24367717 + ... + 24372683.

It is an arithmetic number, because the mean of its divisors is an integer number (2172475350).

Almost surely, 2^121046783400 is an apocalyptic number.

121046783400 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 121046783400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208557633600).

121046783400 is an abundant number, since it is smaller than the sum of its proper divisors (296068483800).

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

121046783400 is a wasteful number, since it uses less digits than its factorization.

121046783400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9505 (or 9490 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 121046783400 in words is "one hundred twenty-one billion, forty-six million, seven hundred eighty-three thousand, four hundred".