900212 has 12 divisors (see below), whose sum is σ = 1599360. Its totient is φ = 443256.

The previous prime is 900187. The next prime is 900217. The reversal of 900212 is 212009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900217) by changing a digit.

900212 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412 + ... + 1947.

It is an arithmetic number, because the mean of its divisors is an integer number (133280).

2⁹⁰⁰²¹² is an apocalyptic number.

It is an amenable number.

900212 is a deficient number, since it is larger than the sum of its proper divisors (699148).

900212 is a wasteful number, since it uses less digits than its factorization.

900212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430 (or 3428 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 900212 is about 948.7950252821. The cubic root of 900212 is about 96.5565187450.

The spelling of 900212 in words is "nine hundred thousand, two hundred twelve".