290122012 has 12 divisors (see below), whose sum is σ = 508294696. Its totient is φ = 144894960.

The previous prime is 290122009. The next prime is 290122033. The reversal of 290122012 is 210221092.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37539 + ... + 44602.

Almost surely, 2^290122012 is an apocalyptic number.

It is an amenable number.

290122012 is a deficient number, since it is larger than the sum of its proper divisors (218172684).

290122012 is a wasteful number, since it uses less digits than its factorization.

290122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83028 (or 83026 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 290122012 is about 17032.9683848706. The cubic root of 290122012 is about 662.0034105634.

The spelling of 290122012 in words is "two hundred ninety million, one hundred twenty-two thousand, twelve".