210012144 has 20 divisors (see below), whose sum is σ = 542531496. Its totient is φ = 70004032.

The previous prime is 210012083. The next prime is 210012151. The reversal of 210012144 is 441210012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2187579 + ... + 2187674.

Almost surely, 2^210012144 is an apocalyptic number.

210012144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

210012144 is an abundant number, since it is smaller than the sum of its proper divisors (332519352).

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

210012144 is a wasteful number, since it uses less digits than its factorization.

210012144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375264 (or 4375258 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 210012144 is about 14491.7957479396. The cubic root of 210012144 is about 594.4036526726.

Adding to 210012144 its reverse (441210012), we get a palindrome (651222156).

The spelling of 210012144 in words is "two hundred ten million, twelve thousand, one hundred forty-four".