212249532 has 48 divisors (see below), whose sum is σ = 568713600. Its totient is φ = 60932160.

The previous prime is 212249507. The next prime is 212249563. The reversal of 212249532 is 235942212.

It is a self number, because there is not a number n which added to its sum of digits gives 212249532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39807 + ... + 44822.

It is an arithmetic number, because the mean of its divisors is an integer number (11848200).

Almost surely, 2^212249532 is an apocalyptic number.

212249532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212249532 is an abundant number, since it is smaller than the sum of its proper divisors (356464068).

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

212249532 is a wasteful number, since it uses less digits than its factorization.

212249532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84666 (or 84664 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 212249532 is about 14568.7862226062. The cubic root of 212249532 is about 596.5070493976.

The spelling of 212249532 in words is "two hundred twelve million, two hundred forty-nine thousand, five hundred thirty-two".