212507849 has 8 divisors (see below), whose sum is σ = 219565632. Its totient is φ = 205546320.

The previous prime is 212507843. The next prime is 212507857. The reversal of 212507849 is 948705212.

212507849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212507849 - 2⁸ = 212507593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212507843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19562 + ... + 28419.

It is an arithmetic number, because the mean of its divisors is an integer number (27445704).

Almost surely, 2^212507849 is an apocalyptic number.

It is an amenable number.

212507849 is a deficient number, since it is larger than the sum of its proper divisors (7057783).

212507849 is a wasteful number, since it uses less digits than its factorization.

212507849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48127.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 212507849 is about 14577.6489531063. The cubic root of 212507849 is about 596.7489430493.

The spelling of 212507849 in words is "two hundred twelve million, five hundred seven thousand, eight hundred forty-nine".