120011021302312 has 128 divisors (see below), whose sum is σ = 262593838080000. Its totient is φ = 50359831142400.

The previous prime is 120011021302303. The next prime is 120011021302363. The reversal of 120011021302312 is 213203120110021.

It is a self number, because there is not a number n which added to its sum of digits gives 120011021302312.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 391977064 + ... + 392283112.

It is an arithmetic number, because the mean of its divisors is an integer number (2051514360000).

Almost surely, 2^{120011021302312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120011021302312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131296919040000).

120011021302312 is an abundant number, since it is smaller than the sum of its proper divisors (142582816777688).

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

120011021302312 is a wasteful number, since it uses less digits than its factorization.

120011021302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306879 (or 306875 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 120011021302312 its reverse (213203120110021), we get a palindrome (333214141412333).

The spelling of 120011021302312 in words is "one hundred twenty trillion, eleven billion, twenty-one million, three hundred two thousand, three hundred twelve".