200120002012021 has 8 divisors (see below), whose sum is σ = 246301540937984. Its totient is φ = 158336704888560.

The previous prime is 200120002011991. The next prime is 200120002012027. The reversal of 200120002012021 is 120210200021002.

It is a happy number.

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 200120002012021 - 2¹³ = 200120002003829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 200120002011992 and 200120002012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120002012027) 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, 1099560450525 + ... + 1099560450706.

It is an arithmetic number, because the mean of its divisors is an integer number (30787692617248).

Almost surely, 2^{200120002012021} is an apocalyptic number.

It is an amenable number.

200120002012021 is a deficient number, since it is larger than the sum of its proper divisors (46181538925963).

200120002012021 is a wasteful number, since it uses less digits than its factorization.

200120002012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199120901251.

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

Adding to 200120002012021 its reverse (120210200021002), we get a palindrome (320330202033023).

The spelling of 200120002012021 in words is "two hundred trillion, one hundred twenty billion, two million, twelve thousand, twenty-one".