1245424433212 has 12 divisors (see below), whose sum is σ = 2225864944800. Its totient is φ = 609463020416.

The previous prime is 1245424433203. The next prime is 1245424433233. The reversal of 1245424433212 is 2123344245421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3312298837 + ... + 3312299212.

It is an arithmetic number, because the mean of its divisors is an integer number (185488745400).

Almost surely, 2^{1245424433212} is an apocalyptic number.

It is an amenable number.

1245424433212 is a deficient number, since it is larger than the sum of its proper divisors (980440511588).

1245424433212 is a wasteful number, since it uses less digits than its factorization.

1245424433212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6624598100 (or 6624598098 counting only the distinct ones).

The product of its digits is 184320, while the sum is 37.

Adding to 1245424433212 its reverse (2123344245421), we get a palindrome (3368768678633).

The spelling of 1245424433212 in words is "one trillion, two hundred forty-five billion, four hundred twenty-four million, four hundred thirty-three thousand, two hundred twelve".