2012195427 has 16 divisors (see below), whose sum is σ = 2955813120. Its totient is φ = 1207436000.

The previous prime is 2012195377. The next prime is 2012195441. The reversal of 2012195427 is 7245912102.

It is a cyclic number.

It is not a de Polignac number, because 2012195427 - 2¹⁰ = 2012194403 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2012195467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298527 + ... + 305192.

It is an arithmetic number, because the mean of its divisors is an integer number (184738320).

Almost surely, 2^2012195427 is an apocalyptic number.

2012195427 is a deficient number, since it is larger than the sum of its proper divisors (943617693).

2012195427 is a wasteful number, since it uses less digits than its factorization.

2012195427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603834.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2012195427 is about 44857.5013459288. The cubic root of 2012195427 is about 1262.4767414857.

The spelling of 2012195427 in words is "two billion, twelve million, one hundred ninety-five thousand, four hundred twenty-seven".