2012890422 has 16 divisors (see below), whose sum is σ = 4029580800. Its totient is φ = 670330152.

The previous prime is 2012890409. The next prime is 2012890427. The reversal of 2012890422 is 2240982102.

It is a self number, because there is not a number n which added to its sum of digits gives 2012890422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012890427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151422 + ... + 164177.

It is an arithmetic number, because the mean of its divisors is an integer number (251848800).

Almost surely, 2^2012890422 is an apocalyptic number.

2012890422 is an abundant number, since it is smaller than the sum of its proper divisors (2016690378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2012890422 is a wasteful number, since it uses less digits than its factorization.

2012890422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316667.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 2012890422 is about 44865.2473747777. The cubic root of 2012890422 is about 1262.6220742921.

The spelling of 2012890422 in words is "two billion, twelve million, eight hundred ninety thousand, four hundred twenty-two".