212915349 has 24 divisors (see below), whose sum is σ = 327849600. Its totient is φ = 132762240.

The previous prime is 212915321. The next prime is 212915357. The reversal of 212915349 is 943519212.

212915349 is a `hidden beast` number, since 21 + 291 + 5 + 349 = 666.

It is not a de Polignac number, because 212915349 - 2¹⁵ = 212882581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212915369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5629 + ... + 21389.

It is an arithmetic number, because the mean of its divisors is an integer number (13660400).

Almost surely, 2^212915349 is an apocalyptic number.

It is an amenable number.

212915349 is a deficient number, since it is larger than the sum of its proper divisors (114934251).

212915349 is a wasteful number, since it uses less digits than its factorization.

212915349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15865 (or 15862 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 212915349 is about 14591.6191356545. The cubic root of 212915349 is about 597.1301366933.

The spelling of 212915349 in words is "two hundred twelve million, nine hundred fifteen thousand, three hundred forty-nine".