121149830280 has 32 divisors (see below), whose sum is σ = 363449491200. Its totient is φ = 32306621376.

The previous prime is 121149830273. The next prime is 121149830317. The reversal of 121149830280 is 82038941121.

It is a super-3 number, since 3×121149830280³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504790840 + ... + 504791079.

It is an arithmetic number, because the mean of its divisors is an integer number (11357796600).

Almost surely, 2^121149830280 is an apocalyptic number.

121149830280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121149830280 is an abundant number, since it is smaller than the sum of its proper divisors (242299660920).

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

121149830280 is a wasteful number, since it uses less digits than its factorization.

121149830280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009581933 (or 1009581929 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The spelling of 121149830280 in words is "one hundred twenty-one billion, one hundred forty-nine million, eight hundred thirty thousand, two hundred eighty".