290212112 has 20 divisors (see below), whose sum is σ = 562685340. Its totient is φ = 145003008.

The previous prime is 290212093. The next prime is 290212129. The reversal of 290212112 is 211212092.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 198359056 + 91853056 = 14084^2 + 9584^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20108 + ... + 31380.

It is an arithmetic number, because the mean of its divisors is an integer number (28134267).

Almost surely, 2^290212112 is an apocalyptic number.

It is an amenable number.

290212112 is a deficient number, since it is larger than the sum of its proper divisors (272473228).

290212112 is a wasteful number, since it uses less digits than its factorization.

290212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12890 (or 12884 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 290212112 is about 17035.6130503132. The cubic root of 290212112 is about 662.0719338414.

Subtracting from 290212112 its sum of digits (20), we obtain a palindrome (290212092).

The spelling of 290212112 in words is "two hundred ninety million, two hundred twelve thousand, one hundred twelve".