212454234 has 12 divisors (see below), whose sum is σ = 460317546. Its totient is φ = 70818072.

The previous prime is 212454233. The next prime is 212454239. The reversal of 212454234 is 432454212.

212454234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 133333209 + 79121025 = 11547^2 + 8895^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212454198 and 212454207.

It is not an unprimeable number, because it can be changed into a prime (212454233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5901489 + ... + 5901524.

Almost surely, 2^212454234 is an apocalyptic number.

212454234 is an abundant number, since it is smaller than the sum of its proper divisors (247863312).

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

212454234 is a wasteful number, since it uses less digits than its factorization.

212454234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11803021 (or 11803018 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 212454234 is about 14575.8098917350. The cubic root of 212454234 is about 596.6987529257.

The spelling of 212454234 in words is "two hundred twelve million, four hundred fifty-four thousand, two hundred thirty-four".