121335545000 has 160 divisors (see below), whose sum is σ = 303956452800. Its totient is φ = 45232512000.

The previous prime is 121335544963. The next prime is 121335545029. The reversal of 121335545000 is 545533121.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8748071 + ... + 8761929.

It is an arithmetic number, because the mean of its divisors is an integer number (1899727830).

Almost surely, 2^121335545000 is an apocalyptic number.

121335545000 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 121335545000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151978226400).

121335545000 is an abundant number, since it is smaller than the sum of its proper divisors (182620907800).

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

121335545000 is a wasteful number, since it uses less digits than its factorization.

121335545000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14005 (or 13986 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 121335545000 in words is "one hundred twenty-one billion, three hundred thirty-five million, five hundred forty-five thousand".