212542110 has 64 divisors (see below), whose sum is σ = 618312960. Its totient is φ = 51524640.

The previous prime is 212542079. The next prime is 212542123. The reversal of 212542110 is 11245212.

212542110 is a `hidden beast` number, since 2 + 12 + 542 + 110 = 666.

212542110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32812 + ... + 38751.

It is an arithmetic number, because the mean of its divisors is an integer number (9661140).

Almost surely, 2^212542110 is an apocalyptic number.

212542110 is an abundant number, since it is smaller than the sum of its proper divisors (405770850).

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

212542110 is a wasteful number, since it uses less digits than its factorization.

212542110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71590 (or 71584 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 212542110 is about 14578.8240266491. The cubic root of 212542110 is about 596.7810110678.

Adding to 212542110 its reverse (11245212), we get a palindrome (223787322).

The spelling of 212542110 in words is "two hundred twelve million, five hundred forty-two thousand, one hundred ten".