212968537 has 8 divisors (see below), whose sum is σ = 226298016. Its totient is φ = 199728192.

The previous prime is 212968529. The next prime is 212968541. The reversal of 212968537 is 735869212.

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 212968537 - 2³ = 212968529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212968493 and 212968502.

It is not an unprimeable number, because it can be changed into a prime (212968517) 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 7 ways as a sum of consecutive naturals, for example, 17323 + ... + 26944.

It is an arithmetic number, because the mean of its divisors is an integer number (28287252).

Almost surely, 2^212968537 is an apocalyptic number.

It is an amenable number.

212968537 is a deficient number, since it is larger than the sum of its proper divisors (13329479).

212968537 is a wasteful number, since it uses less digits than its factorization.

212968537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44567.

The product of its digits is 181440, while the sum is 43.

The square root of 212968537 is about 14593.4415748993. The cubic root of 212968537 is about 597.1798552217.

The spelling of 212968537 in words is "two hundred twelve million, nine hundred sixty-eight thousand, five hundred thirty-seven".