212454556 has 12 divisors (see below), whose sum is σ = 373210992. Its totient is φ = 105822848.

The previous prime is 212454533. The next prime is 212454569. The reversal of 212454556 is 655454212.

212454556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99925 + ... + 102028.

It is an arithmetic number, because the mean of its divisors is an integer number (31100916).

Almost surely, 2^212454556 is an apocalyptic number.

It is an amenable number.

212454556 is a deficient number, since it is larger than the sum of its proper divisors (160756436).

212454556 is a wasteful number, since it uses less digits than its factorization.

212454556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202220 (or 202218 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 212454556 is about 14575.8209374292. The cubic root of 212454556 is about 596.6990543818.

The spelling of 212454556 in words is "two hundred twelve million, four hundred fifty-four thousand, five hundred fifty-six".