1202000200021 has 8 divisors (see below), whose sum is σ = 1224703579680. Its totient is φ = 1179297714192.

The previous prime is 1202000200013. The next prime is 1202000200067. The reversal of 1202000200021 is 1200020002021.

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

It is a cyclic number.

It is not a de Polignac number, because 1202000200021 - 2³ = 1202000200013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202000199980 and 1202000200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202000200081) 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, 2899846 + ... + 3288328.

It is an arithmetic number, because the mean of its divisors is an integer number (153087947460).

Almost surely, 2^{1202000200021} is an apocalyptic number.

It is an amenable number.

1202000200021 is a deficient number, since it is larger than the sum of its proper divisors (22703379659).

1202000200021 is an equidigital number, since it uses as much as digits as its factorization.

1202000200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446915.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1202000200021 its reverse (1200020002021), we get a palindrome (2402020202042).

It can be divided in two parts, 12020002000 and 21, that added together give a palindrome (12020002021).

The spelling of 1202000200021 in words is "one trillion, two hundred two billion, two hundred thousand, twenty-one".