1236130012 has 12 divisors (see below), whose sum is σ = 2329629736. Its totient is φ = 570521520.

The previous prime is 1236129997. The next prime is 1236130013. The reversal of 1236130012 is 2100316321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1236130013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11885814 + ... + 11885917.

Almost surely, 2^1236130012 is an apocalyptic number.

It is an amenable number.

1236130012 is a deficient number, since it is larger than the sum of its proper divisors (1093499724).

1236130012 is a wasteful number, since it uses less digits than its factorization.

1236130012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23771748 (or 23771746 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1236130012 is about 35158.6406449396. The cubic root of 1236130012 is about 1073.2182526035.

Adding to 1236130012 its reverse (2100316321), we get a palindrome (3336446333).

The spelling of 1236130012 in words is "one billion, two hundred thirty-six million, one hundred thirty thousand, twelve".