212303028 has 48 divisors (see below), whose sum is σ = 567705600. Its totient is φ = 60490464.

The previous prime is 212303011. The next prime is 212303029. The reversal of 212303028 is 820303212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212302995 and 212303013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212303029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28873 + ... + 35471.

It is an arithmetic number, because the mean of its divisors is an integer number (11827200).

Almost surely, 2^212303028 is an apocalyptic number.

212303028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

212303028 is an abundant number, since it is smaller than the sum of its proper divisors (355402572).

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

212303028 is a wasteful number, since it uses less digits than its factorization.

212303028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996 (or 6994 counting only the distinct ones).

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

The square root of 212303028 is about 14570.6220869255. The cubic root of 212303028 is about 596.5571603217.

The spelling of 212303028 in words is "two hundred twelve million, three hundred three thousand, twenty-eight".