120021121002012 has 48 divisors (see below), whose sum is σ = 287588494771200. Its totient is φ = 38944275289920.

The previous prime is 120021121001989. The next prime is 120021121002031. The reversal of 120021121002012 is 210200121120021.

It is a junction number, because it is equal to n+sod(n) for n = 120021121001982 and 120021121002000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891514087 + ... + 891648702.

It is an arithmetic number, because the mean of its divisors is an integer number (5991426974400).

Almost surely, 2^{120021121002012} is an apocalyptic number.

120021121002012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120021121002012 is an abundant number, since it is smaller than the sum of its proper divisors (167567373769188).

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

120021121002012 is a wasteful number, since it uses less digits than its factorization.

120021121002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783162946 (or 1783162944 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120021121002012 its reverse (210200121120021), we get a palindrome (330221242122033).

The spelling of 120021121002012 in words is "one hundred twenty trillion, twenty-one billion, one hundred twenty-one million, two thousand, twelve".