120211099399872 has 336 divisors, whose sum is σ = 385347229263360. Its totient is φ = 36936542204928.

The previous prime is 120211099399871. The next prime is 120211099399903. The reversal of 120211099399872 is 278993990112021.

120211099399872 is a `hidden beast` number, since 1 + 20 + 211 + 0 + 9 + 9 + 399 + 8 + 7 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (120211099399871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144951063 + ... + 145778025.

It is an arithmetic number, because the mean of its divisors is an integer number (1146866753760).

Almost surely, 2^{120211099399872} is an apocalyptic number.

120211099399872 is a gapful number since it is divisible by the number (12) 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 120211099399872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192673614631680).

120211099399872 is an abundant number, since it is smaller than the sum of its proper divisors (265136129863488).

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

120211099399872 is an equidigital number, since it uses as much as digits as its factorization.

120211099399872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827722 (or 827700 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 63.

The spelling of 120211099399872 in words is "one hundred twenty trillion, two hundred eleven billion, ninety-nine million, three hundred ninety-nine thousand, eight hundred seventy-two".