1012120200021 has 8 divisors (see below), whose sum is σ = 1542278400064. Its totient is φ = 578354400000.

The previous prime is 1012120200011. The next prime is 1012120200059. The reversal of 1012120200021 is 1200020212101.

1012120200021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012120200021 - 2¹⁹ = 1012119675733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012120200011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24098099980 + ... + 24098100021.

It is an arithmetic number, because the mean of its divisors is an integer number (192784800008).

Almost surely, 2^{1012120200021} is an apocalyptic number.

It is an amenable number.

1012120200021 is a deficient number, since it is larger than the sum of its proper divisors (530158200043).

1012120200021 is an equidigital number, since it uses as much as digits as its factorization.

1012120200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48196200011.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1012120200021 its reverse (1200020212101), we get a palindrome (2212140412122).

The spelling of 1012120200021 in words is "one trillion, twelve billion, one hundred twenty million, two hundred thousand, twenty-one".