121073393280 has 256 divisors, whose sum is σ = 445180354560. Its totient is φ = 27414958080.

The previous prime is 121073393239. The next prime is 121073393281. The reversal of 121073393280 is 82393370121.

It is not an unprimeable number, because it can be changed into a prime (121073393281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1395985 + ... + 1480175.

It is an arithmetic number, because the mean of its divisors is an integer number (1738985760).

Almost surely, 2^121073393280 is an apocalyptic number.

121073393280 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 121073393280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222590177280).

121073393280 is an abundant number, since it is smaller than the sum of its proper divisors (324106961280).

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

121073393280 is a wasteful number, since it uses less digits than its factorization.

121073393280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84327 (or 84315 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 121073393280 in words is "one hundred twenty-one billion, seventy-three million, three hundred ninety-three thousand, two hundred eighty".