1210030200 has 144 divisors (see below), whose sum is σ = 4277683800. Its totient is φ = 305683200.

The previous prime is 1210030189. The next prime is 1210030229. The reversal of 1210030200 is 20300121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16510 + ... + 51890.

Almost surely, 2^1210030200 is an apocalyptic number.

1210030200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210030200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2138841900).

1210030200 is an abundant number, since it is smaller than the sum of its proper divisors (3067653600).

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

1210030200 is a wasteful number, since it uses less digits than its factorization.

1210030200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35422 (or 35410 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1210030200 is about 34785.4883536224. The cubic root of 1210030200 is about 1065.6111020338.

Adding to 1210030200 its reverse (20300121), we get a palindrome (1230330321).

The spelling of 1210030200 in words is "one billion, two hundred ten million, thirty thousand, two hundred".