212542248 has 16 divisors (see below), whose sum is σ = 531355680. Its totient is φ = 70847408.

The previous prime is 212542217. The next prime is 212542277. The reversal of 212542248 is 842245212.

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, 4427940 + ... + 4427987.

It is an arithmetic number, because the mean of its divisors is an integer number (33209730).

Almost surely, 2^212542248 is an apocalyptic number.

It is an amenable number.

212542248 is an abundant number, since it is smaller than the sum of its proper divisors (318813432).

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

212542248 is a wasteful number, since it uses less digits than its factorization.

212542248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8855936 (or 8855932 counting only the distinct ones).

The product of its digits is 10240, while the sum is 30.

The square root of 212542248 is about 14578.8287595403. The cubic root of 212542248 is about 596.7811402278.

The spelling of 212542248 in words is "two hundred twelve million, five hundred forty-two thousand, two hundred forty-eight".