1320111303212 has 12 divisors (see below), whose sum is σ = 2487902071536. Its totient is φ = 609282139920.

The previous prime is 1320111303131. The next prime is 1320111303293. The reversal of 1320111303212 is 2123031110231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1320111303131) and next prime (1320111303293).

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, 12693377864 + ... + 12693377967.

It is an arithmetic number, because the mean of its divisors is an integer number (207325172628).

Almost surely, 2^{1320111303212} is an apocalyptic number.

It is an amenable number.

1320111303212 is a deficient number, since it is larger than the sum of its proper divisors (1167790768324).

1320111303212 is a wasteful number, since it uses less digits than its factorization.

1320111303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25386755848 (or 25386755846 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1320111303212 its reverse (2123031110231), we get a palindrome (3443142413443).

The spelling of 1320111303212 in words is "one trillion, three hundred twenty billion, one hundred eleven million, three hundred three thousand, two hundred twelve".