1030012200 has 480 divisors, whose sum is σ = 4234728960. Its totient is φ = 227059200.

The previous prime is 1030012189. The next prime is 1030012279. The reversal of 1030012200 is 22100301.

It is a happy number.

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

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3515254 + ... + 3515546.

It is an arithmetic number, because the mean of its divisors is an integer number (8822352).

Almost surely, 2^1030012200 is an apocalyptic number.

1030012200 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 1030012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2117364480).

1030012200 is an abundant number, since it is smaller than the sum of its proper divisors (3204716760).

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

1030012200 is a wasteful number, since it uses less digits than its factorization.

1030012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 341 counting only the distinct ones).

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

The square root of 1030012200 is about 32093.8031401702. The cubic root of 1030012200 is about 1009.9056213481.

Adding to 1030012200 its reverse (22100301), we get a palindrome (1052112501).

It can be divided in two parts, 10300 and 12200, that added together give a square (22500 = 150²).

The spelling of 1030012200 in words is "one billion, thirty million, twelve thousand, two hundred".