212276430 has 64 divisors (see below), whose sum is σ = 590699520. Its totient is φ = 54144288.

The previous prime is 212276429. The next prime is 212276443. The reversal of 212276430 is 34672212.

212276430 is a `hidden beast` number, since 2 + 1 + 227 + 6 + 430 = 666.

212276430 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212276430² = 90122565467089800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212276394 and 212276403.

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, 10882 + ... + 23301.

It is an arithmetic number, because the mean of its divisors is an integer number (9229680).

Almost surely, 2^212276430 is an apocalyptic number.

212276430 is an abundant number, since it is smaller than the sum of its proper divisors (378423090).

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

212276430 is a wasteful number, since it uses less digits than its factorization.

212276430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34222 (or 34216 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 212276430 is about 14569.7093313491. The cubic root of 212276430 is about 596.5322464204.

The spelling of 212276430 in words is "two hundred twelve million, two hundred seventy-six thousand, four hundred thirty".