120121120313250 has 128 divisors (see below), whose sum is σ = 348461772871680. Its totient is φ = 26990895729600.

The previous prime is 120121120313239. The next prime is 120121120313267. The reversal of 120121120313250 is 52313021121021.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120121120313250.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 193590364 + ... + 194209863.

It is an arithmetic number, because the mean of its divisors is an integer number (2722357600560).

Almost surely, 2^{120121120313250} is an apocalyptic number.

120121120313250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121120313250 is an abundant number, since it is smaller than the sum of its proper divisors (228340652558430).

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

120121120313250 is a wasteful number, since it uses less digits than its factorization.

120121120313250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387800313 (or 387800303 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 120121120313250 its reverse (52313021121021), we get a palindrome (172434141434271).

The spelling of 120121120313250 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred twenty million, three hundred thirteen thousand, two hundred fifty".