1213302320012 has 24 divisors (see below), whose sum is σ = 2164048829712. Its totient is φ = 595010145600.

The previous prime is 1213302320011. The next prime is 1213302320051. The reversal of 1213302320012 is 2100232033121.

It is not an unprimeable number, because it can be changed into a prime (1213302320011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285914 + ... + 1583777.

It is an arithmetic number, because the mean of its divisors is an integer number (90168701238).

Almost surely, 2^{1213302320012} is an apocalyptic number.

It is an amenable number.

1213302320012 is a deficient number, since it is larger than the sum of its proper divisors (950746509700).

1213302320012 is a wasteful number, since it uses less digits than its factorization.

1213302320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872809 (or 1872807 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1213302320012 its reverse (2100232033121), we get a palindrome (3313534353133).

The spelling of 1213302320012 in words is "one trillion, two hundred thirteen billion, three hundred two million, three hundred twenty thousand, twelve".