20120100120201 has 16 divisors (see below), whose sum is σ = 27954430588800. Its totient is φ = 12856337144448.

The previous prime is 20120100120199. The next prime is 20120100120217. The reversal of 20120100120201 is 10202100102102.

It is not a de Polignac number, because 20120100120201 - 2¹ = 20120100120199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120100120251) 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, 844022821 + ... + 844046658.

It is an arithmetic number, because the mean of its divisors is an integer number (1747151911800).

Almost surely, 2^{20120100120201} is an apocalyptic number.

It is an amenable number.

20120100120201 is a deficient number, since it is larger than the sum of its proper divisors (7834330468599).

20120100120201 is a wasteful number, since it uses less digits than its factorization.

20120100120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688069648.

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

Adding to 20120100120201 its reverse (10202100102102), we get a palindrome (30322200222303).

The spelling of 20120100120201 in words is "twenty trillion, one hundred twenty billion, one hundred million, one hundred twenty thousand, two hundred one".