2012028913 has 4 divisors (see below), whose sum is σ = 2012151780. Its totient is φ = 2011906048.

The previous prime is 2012028911. The next prime is 2012028919. The reversal of 2012028913 is 3198202102.

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 1306967104 + 705061809 = 36152^2 + 26553^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012028913 - 2¹ = 2012028911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012028911) 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, 32248 + ... + 71161.

It is an arithmetic number, because the mean of its divisors is an integer number (503037945).

Almost surely, 2^2012028913 is an apocalyptic number.

It is an amenable number.

2012028913 is a deficient number, since it is larger than the sum of its proper divisors (122867).

2012028913 is a wasteful number, since it uses less digits than its factorization.

2012028913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122866.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2012028913 is about 44855.6452745917. The cubic root of 2012028913 is about 1262.4419161985.

The spelling of 2012028913 in words is "two billion, twelve million, twenty-eight thousand, nine hundred thirteen".