212451126 has 8 divisors (see below), whose sum is σ = 424902264. Its totient is φ = 70817040.

The previous prime is 212451079. The next prime is 212451131. The reversal of 212451126 is 621154212.

It is a sphenic number, since it is the product of 3 distinct primes.

212451126 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 212451096 and 212451105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17704255 + ... + 17704266.

It is an arithmetic number, because the mean of its divisors is an integer number (53112783).

Almost surely, 2^212451126 is an apocalyptic number.

212451126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212451126 is a wasteful number, since it uses less digits than its factorization.

212451126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35408526.

The product of its digits is 960, while the sum is 24.

The square root of 212451126 is about 14575.7032763431. The cubic root of 212451126 is about 596.6958432029.

The spelling of 212451126 in words is "two hundred twelve million, four hundred fifty-one thousand, one hundred twenty-six".