1230203012 has 12 divisors (see below), whose sum is σ = 2153771676. Its totient is φ = 614839680.

The previous prime is 1230203003. The next prime is 1230203021. The reversal of 1230203012 is 2103020321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1230203003) and next prime (1230203021).

It can be written as a sum of positive squares in 2 ways, for example, as 284394496 + 945808516 = 16864^2 + 30754^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54689 + ... + 73832.

It is an arithmetic number, because the mean of its divisors is an integer number (179480973).

Almost surely, 2^1230203012 is an apocalyptic number.

It is an amenable number.

1230203012 is a deficient number, since it is larger than the sum of its proper divisors (923568664).

1230203012 is a wasteful number, since it uses less digits than its factorization.

1230203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130918 (or 130916 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1230203012 is about 35074.2499848536. The cubic root of 1230203012 is about 1071.5002137203.

Adding to 1230203012 its reverse (2103020321), we get a palindrome (3333223333).

The spelling of 1230203012 in words is "one billion, two hundred thirty million, two hundred three thousand, twelve".