212061536 has 24 divisors (see below), whose sum is σ = 442055880. Its totient is φ = 99793408.

The previous prime is 212061529. The next prime is 212061539. The reversal of 212061536 is 635160212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212061539) 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 3 ways as a sum of consecutive naturals, for example, 194366 + ... + 195453.

It is an arithmetic number, because the mean of its divisors is an integer number (18418995).

Almost surely, 2^212061536 is an apocalyptic number.

It is an amenable number.

212061536 is an abundant number, since it is smaller than the sum of its proper divisors (229994344).

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

212061536 is a wasteful number, since it uses less digits than its factorization.

212061536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389846 (or 389838 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 212061536 is about 14562.3327801558. The cubic root of 212061536 is about 596.3308824376.

The spelling of 212061536 in words is "two hundred twelve million, sixty-one thousand, five hundred thirty-six".