210402112 has 14 divisors (see below), whose sum is σ = 417516818. Its totient is φ = 105201024.

The previous prime is 210402109. The next prime is 210402121. The reversal of 210402112 is 211204012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 159365376 + 51036736 = 12624^2 + 7144^2 .

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 210402092 and 210402101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1643703 + ... + 1643830.

Almost surely, 2^210402112 is an apocalyptic number.

It is an amenable number.

210402112 is a deficient number, since it is larger than the sum of its proper divisors (207114706).

210402112 is an equidigital number, since it uses as much as digits as its factorization.

210402112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287545 (or 3287535 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 210402112 is about 14505.2442930135. The cubic root of 210402112 is about 594.7713378818.

Adding to 210402112 its reverse (211204012), we get a palindrome (421606124).

The spelling of 210402112 in words is "two hundred ten million, four hundred two thousand, one hundred twelve".