200120012020001 has 16 divisors (see below), whose sum is σ = 215632065105600. Its totient is φ = 185109195112128.

The previous prime is 200120012019989. The next prime is 200120012020003. The reversal of 200120012020001 is 100020210021002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 200120012020001 - 2²² = 200120007825697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200120012020003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43562786 + ... + 47937003.

It is an arithmetic number, because the mean of its divisors is an integer number (13477004069100).

Almost surely, 2^{200120012020001} is an apocalyptic number.

It is an amenable number.

200120012020001 is a deficient number, since it is larger than the sum of its proper divisors (15512053085599).

200120012020001 is a wasteful number, since it uses less digits than its factorization.

200120012020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91502528.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200120012020001 its reverse (100020210021002), we get a palindrome (300140222041003).

The spelling of 200120012020001 in words is "two hundred trillion, one hundred twenty billion, twelve million, twenty thousand, one".