120163404312 has 128 divisors (see below), whose sum is σ = 391781337600. Its totient is φ = 33404482944.

The previous prime is 120163404311. The next prime is 120163404337. The reversal of 120163404312 is 213404361021.

It is a happy number.

120163404312 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 6 + 340 + 4 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120163404311) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1018018 + ... + 1129905.

It is an arithmetic number, because the mean of its divisors is an integer number (3060791700).

Almost surely, 2^120163404312 is an apocalyptic number.

120163404312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120163404312 is an abundant number, since it is smaller than the sum of its proper divisors (271617933288).

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

120163404312 is a wasteful number, since it uses less digits than its factorization.

120163404312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147982 (or 2147972 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 120163404312 its reverse (213404361021), we get a palindrome (333567765333).

The spelling of 120163404312 in words is "one hundred twenty billion, one hundred sixty-three million, four hundred four thousand, three hundred twelve".