210436542612 has 144 divisors (see below), whose sum is σ = 555294579840. Its totient is φ = 67134622464.

The previous prime is 210436542611. The next prime is 210436542623. The reversal of 210436542612 is 216245634012.

210436542612 is a `hidden beast` number, since 2 + 1 + 0 + 4 + 36 + 5 + 4 + 2 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210436542611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100831033 + ... + 100833119.

It is an arithmetic number, because the mean of its divisors is an integer number (3856212360).

Almost surely, 2^210436542612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210436542612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277647289920).

210436542612 is an abundant number, since it is smaller than the sum of its proper divisors (344858037228).

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

210436542612 is a wasteful number, since it uses less digits than its factorization.

210436542612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422 (or 3417 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 210436542612 in words is "two hundred ten billion, four hundred thirty-six million, five hundred forty-two thousand, six hundred twelve".