212010534 has 20 divisors (see below), whose sum is σ = 475061004. Its totient is φ = 70670124.

The previous prime is 212010529. The next prime is 212010571. The reversal of 212010534 is 435010212.

212010534 is a `hidden beast` number, since 2 + 120 + 10 + 534 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 654192 + ... + 654515.

Almost surely, 2^212010534 is an apocalyptic number.

212010534 is an abundant number, since it is smaller than the sum of its proper divisors (263050470).

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

212010534 is a wasteful number, since it uses less digits than its factorization.

212010534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308721 (or 1308712 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 212010534 is about 14560.5815131127. The cubic root of 212010534 is about 596.2830716200.

Adding to 212010534 its reverse (435010212), we get a palindrome (647020746).

The spelling of 212010534 in words is "two hundred twelve million, ten thousand, five hundred thirty-four".