1345630220012 has 48 divisors (see below), whose sum is σ = 2620985106432. Its totient is φ = 600295026240.

The previous prime is 1345630220009. The next prime is 1345630220041. The reversal of 1345630220012 is 2100220365431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819533 + ... + 1833819.

It is an arithmetic number, because the mean of its divisors is an integer number (54603856384).

Almost surely, 2^{1345630220012} is an apocalyptic number.

It is an amenable number.

1345630220012 is a deficient number, since it is larger than the sum of its proper divisors (1275354886420).

1345630220012 is a wasteful number, since it uses less digits than its factorization.

1345630220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015158 (or 1015156 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 1345630220012 its reverse (2100220365431), we get a palindrome (3445850585443).

The spelling of 1345630220012 in words is "one trillion, three hundred forty-five billion, six hundred thirty million, two hundred twenty thousand, twelve".