210112030 has 16 divisors (see below), whose sum is σ = 378367920. Its totient is φ = 84007872.

The previous prime is 210111971. The next prime is 210112037. The reversal of 210112030 is 30211012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 210111998 and 210112016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210112037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37981 + ... + 43159.

It is an arithmetic number, because the mean of its divisors is an integer number (23647995).

Almost surely, 2^210112030 is an apocalyptic number.

210112030 is a deficient number, since it is larger than the sum of its proper divisors (168255890).

210112030 is a wasteful number, since it uses less digits than its factorization.

210112030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9243.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 210112030 is about 14495.2416330325. The cubic root of 210112030 is about 594.4978745141.

Adding to 210112030 its reverse (30211012), we get a palindrome (240323042).

The spelling of 210112030 in words is "two hundred ten million, one hundred twelve thousand, thirty".