212481632 has 24 divisors (see below), whose sum is σ = 456353352. Its totient is φ = 96582400.

The previous prime is 212481631. The next prime is 212481641. The reversal of 212481632 is 236184212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212481595 and 212481604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212481631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301469 + ... + 302172.

It is an arithmetic number, because the mean of its divisors is an integer number (19014723).

Almost surely, 2^212481632 is an apocalyptic number.

212481632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212481632 is an abundant number, since it is smaller than the sum of its proper divisors (243871720).

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

212481632 is a wasteful number, since it uses less digits than its factorization.

212481632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603662 (or 603654 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 212481632 is about 14576.7497062960. The cubic root of 212481632 is about 596.7244018218.

The spelling of 212481632 in words is "two hundred twelve million, four hundred eighty-one thousand, six hundred thirty-two".