20012112002201 has 64 divisors (see below), whose sum is σ = 24011242407936. Its totient is φ = 16466490163200.

The previous prime is 20012112002147. The next prime is 20012112002203. The reversal of 20012112002201 is 10220021121002.

It is not a de Polignac number, because 20012112002201 - 2¹⁸ = 20012111740057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012112002203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 599561225 + ... + 599594601.

It is an arithmetic number, because the mean of its divisors is an integer number (375175662624).

Almost surely, 2^{20012112002201} is an apocalyptic number.

It is an amenable number.

20012112002201 is a deficient number, since it is larger than the sum of its proper divisors (3999130405735).

20012112002201 is a wasteful number, since it uses less digits than its factorization.

20012112002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34082.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20012112002201 its reverse (10220021121002), we get a palindrome (30232133123203).

The spelling of 20012112002201 in words is "twenty trillion, twelve billion, one hundred twelve million, two thousand, two hundred one".