120012110312020 has 12 divisors (see below), whose sum is σ = 252025431655284. Its totient is φ = 48004844124800.

The previous prime is 120012110311957. The next prime is 120012110312027. The reversal of 120012110312020 is 20213011210021.

It can be written as a sum of positive squares in 2 ways, for example, as 57932618377104 + 62079491934916 = 7611348^2 + 7879054^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120012110311985 and 120012110312003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012110312027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000302757781 + ... + 3000302757820.

It is an arithmetic number, because the mean of its divisors is an integer number (21002119304607).

Almost surely, 2^{120012110312020} is an apocalyptic number.

120012110312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120012110312020 is an abundant number, since it is smaller than the sum of its proper divisors (132013321343264).

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

120012110312020 is a wasteful number, since it uses less digits than its factorization.

120012110312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000605515610 (or 6000605515608 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 120012110312020 its reverse (20213011210021), we get a palindrome (140225121522041).

The spelling of 120012110312020 in words is "one hundred twenty trillion, twelve billion, one hundred ten million, three hundred twelve thousand, twenty".