212503152 has 20 divisors (see below), whose sum is σ = 548966600. Its totient is φ = 70834368.

The previous prime is 212503079. The next prime is 212503183. The reversal of 212503152 is 251305212.

It is a congruent number.

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, 2213527 + ... + 2213622.

It is an arithmetic number, because the mean of its divisors is an integer number (27448330).

Almost surely, 2^212503152 is an apocalyptic number.

It is an amenable number.

212503152 is an abundant number, since it is smaller than the sum of its proper divisors (336463448).

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

212503152 is a wasteful number, since it uses less digits than its factorization.

212503152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427160 (or 4427154 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 212503152 is about 14577.4878494204. The cubic root of 212503152 is about 596.7445464267.

Adding to 212503152 its reverse (251305212), we get a palindrome (463808364).

The spelling of 212503152 in words is "two hundred twelve million, five hundred three thousand, one hundred fifty-two".