212766030 has 24 divisors (see below), whose sum is σ = 553191912. Its totient is φ = 56737584.

The previous prime is 212766013. The next prime is 212766041. The reversal of 212766030 is 30667212.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212765985 and 212766003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1181944 + ... + 1182123.

It is an arithmetic number, because the mean of its divisors is an integer number (23049663).

Almost surely, 2^212766030 is an apocalyptic number.

212766030 is an abundant number, since it is smaller than the sum of its proper divisors (340425882).

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

212766030 is a wasteful number, since it uses less digits than its factorization.

212766030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364080 (or 2364077 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 212766030 is about 14586.5016367873. The cubic root of 212766030 is about 596.9905135568.

The spelling of 212766030 in words is "two hundred twelve million, seven hundred sixty-six thousand, thirty".