2012112010001 has 4 divisors (see below), whose sum is σ = 2012143102500. Its totient is φ = 2012080917504.

The previous prime is 2012112009967. The next prime is 2012112010019. The reversal of 2012112010001 is 1000102112102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1156485160000 + 855626850001 = 1075400^2 + 925001^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012112010001 - 2⁶ = 2012112009937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012112010091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15448976 + ... + 15578673.

It is an arithmetic number, because the mean of its divisors is an integer number (503035775625).

Almost surely, 2^{2012112010001} is an apocalyptic number.

It is an amenable number.

2012112010001 is a deficient number, since it is larger than the sum of its proper divisors (31092499).

2012112010001 is an equidigital number, since it uses as much as digits as its factorization.

2012112010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31092498.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2012112010001 its reverse (1000102112102), we get a palindrome (3012214122103).

The spelling of 2012112010001 in words is "two trillion, twelve billion, one hundred twelve million, ten thousand, one".