121454544000 has 256 divisors, whose sum is σ = 404089695360. Its totient is φ = 32269824000.

The previous prime is 121454543953. The next prime is 121454544011. The reversal of 121454544000 is 445454121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13579530 + ... + 13588470.

Almost surely, 2^121454544000 is an apocalyptic number.

121454544000 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 121454544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202044847680).

121454544000 is an abundant number, since it is smaller than the sum of its proper divisors (282635151360).

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

121454544000 is an equidigital number, since it uses as much as digits as its factorization.

121454544000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9256 (or 9234 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 121454544000 its reverse (445454121), we get a palindrome (121899998121).

The spelling of 121454544000 in words is "one hundred twenty-one billion, four hundred fifty-four million, five hundred forty-four thousand".