1030503012 has 192 divisors, whose sum is σ = 3119800320. Its totient is φ = 257011200.

The previous prime is 1030503007. The next prime is 1030503013. The reversal of 1030503012 is 2103050301.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1030502982 and 1030503000.

It is not an unprimeable number, because it can be changed into a prime (1030503013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2648914 + ... + 2649302.

It is an arithmetic number, because the mean of its divisors is an integer number (16248960).

Almost surely, 2^1030503012 is an apocalyptic number.

1030503012 is a gapful number since it is divisible by the number (12) 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 1030503012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1559900160).

1030503012 is an abundant number, since it is smaller than the sum of its proper divisors (2089297308).

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

1030503012 is a wasteful number, since it uses less digits than its factorization.

1030503012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1030503012 is about 32101.4487523538. The cubic root of 1030503012 is about 1010.0660062081.

Adding to 1030503012 its reverse (2103050301), we get a palindrome (3133553313).

The spelling of 1030503012 in words is "one billion, thirty million, five hundred three thousand, twelve".