212032380 has 96 divisors (see below), whose sum is σ = 681214464. Its totient is φ = 48271104.

The previous prime is 212032357. The next prime is 212032393. The reversal of 212032380 is 83230212.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122199 + ... + 123921.

It is an arithmetic number, because the mean of its divisors is an integer number (7095984).

Almost surely, 2^212032380 is an apocalyptic number.

212032380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212032380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340607232).

212032380 is an abundant number, since it is smaller than the sum of its proper divisors (469182084).

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

212032380 is a wasteful number, since it uses less digits than its factorization.

212032380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035 (or 2033 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 212032380 is about 14561.3316698714. The cubic root of 212032380 is about 596.3035516599.

Adding to 212032380 its reverse (83230212), we get a palindrome (295262592).

The spelling of 212032380 in words is "two hundred twelve million, thirty-two thousand, three hundred eighty".