200120201220001 has 32 divisors (see below), whose sum is σ = 222133428228096. Its totient is φ = 179460637440000.

The previous prime is 200120201219951. The next prime is 200120201220013. The reversal of 200120201220001 is 100022102021002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 200120201220001 - 2¹⁵ = 200120201187233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200120201220601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264295851 + ... + 265051951.

It is an arithmetic number, because the mean of its divisors is an integer number (6941669632128).

Almost surely, 2^{200120201220001} is an apocalyptic number.

It is an amenable number.

200120201220001 is a deficient number, since it is larger than the sum of its proper divisors (22013227008095).

200120201220001 is a wasteful number, since it uses less digits than its factorization.

200120201220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765033.

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

Adding to 200120201220001 its reverse (100022102021002), we get a palindrome (300142303241003).

The spelling of 200120201220001 in words is "two hundred trillion, one hundred twenty billion, two hundred one million, two hundred twenty thousand, one".