212103648 has 36 divisors (see below), whose sum is σ = 603170568. Its totient is φ = 70701120.

The previous prime is 212103629. The next prime is 212103691. The reversal of 212103648 is 846301212.

212103648 is a `hidden beast` number, since 2 + 1 + 2 + 10 + 3 + 648 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 367948 + ... + 368523.

It is an arithmetic number, because the mean of its divisors is an integer number (16754738).

Almost surely, 2^212103648 is an apocalyptic number.

It is an amenable number.

212103648 is an abundant number, since it is smaller than the sum of its proper divisors (391066920).

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

212103648 is a wasteful number, since it uses less digits than its factorization.

212103648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736487 (or 736476 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 212103648 is about 14563.7786305615. The cubic root of 212103648 is about 596.3703537226.

The spelling of 212103648 in words is "two hundred twelve million, one hundred three thousand, six hundred forty-eight".