20120212112001 has 8 divisors (see below), whose sum is σ = 26835414925920. Its totient is φ = 13409242019712.

The previous prime is 20120212111999. The next prime is 20120212112087. The reversal of 20120212112001 is 10021121202102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20120212112001 - 2¹ = 20120212111999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120212112801) 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, 1058169315 + ... + 1058188328.

It is an arithmetic number, because the mean of its divisors is an integer number (3354426865740).

Almost surely, 2^{20120212112001} is an apocalyptic number.

It is an amenable number.

20120212112001 is a deficient number, since it is larger than the sum of its proper divisors (6715202813919).

20120212112001 is a wasteful number, since it uses less digits than its factorization.

20120212112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116360815.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20120212112001 its reverse (10021121202102), we get a palindrome (30141333314103).

It can be divided in two parts, 201202 and 12112001, that added together give a triangular number (12313203 = T₄₉₆₂).

The spelling of 20120212112001 in words is "twenty trillion, one hundred twenty billion, two hundred twelve million, one hundred twelve thousand, one".