120212021000020 has 24 divisors (see below), whose sum is σ = 252451426987368. Its totient is φ = 48083630707200.

The previous prime is 120212020999991. The next prime is 120212021000047. The reversal of 120212021000020 is 20000120212021.

It is a happy number.

120212021000020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 54187913227536 + 66024107772484 = 7361244^2 + 8125522^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72768561 + ... + 74402200.

It is an arithmetic number, because the mean of its divisors is an integer number (10518809457807).

Almost surely, 2^{120212021000020} is an apocalyptic number.

120212021000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120212021000020 is an abundant number, since it is smaller than the sum of its proper divisors (132239405987348).

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

120212021000020 is a wasteful number, since it uses less digits than its factorization.

120212021000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147211611 (or 147211609 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120212021000020 its reverse (20000120212021), we get a palindrome (140212141212041).

The spelling of 120212021000020 in words is "one hundred twenty trillion, two hundred twelve billion, twenty-one million, twenty", and thus it is an aban number.