2012851605101 has 4 divisors (see below), whose sum is σ = 2013196100352. Its totient is φ = 2012507109852.

The previous prime is 2012851605091. The next prime is 2012851605139. The reversal of 2012851605101 is 1015061582102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012851605101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012851605181) 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, 172238861 + ... + 172250546.

It is an arithmetic number, because the mean of its divisors is an integer number (503299025088).

Almost surely, 2^{2012851605101} is an apocalyptic number.

It is an amenable number.

2012851605101 is a deficient number, since it is larger than the sum of its proper divisors (344495251).

2012851605101 is an equidigital number, since it uses as much as digits as its factorization.

2012851605101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344495250.

The product of its (nonzero) digits is 4800, while the sum is 32.

The spelling of 2012851605101 in words is "two trillion, twelve billion, eight hundred fifty-one million, six hundred five thousand, one hundred one".