212603712 has 56 divisors (see below), whose sum is σ = 563977536. Its totient is φ = 70683648.

The previous prime is 212603689. The next prime is 212603731. The reversal of 212603712 is 217306212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86533 + ... + 88955.

Almost surely, 2^212603712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212603712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281988768).

212603712 is an abundant number, since it is smaller than the sum of its proper divisors (351373824).

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

212603712 is a wasteful number, since it uses less digits than its factorization.

212603712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895 (or 2885 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 212603712 is about 14580.9365954317. The cubic root of 212603712 is about 596.8386613733.

Adding to 212603712 its reverse (217306212), we get a palindrome (429909924).

The spelling of 212603712 in words is "two hundred twelve million, six hundred three thousand, seven hundred twelve".