1320453042312 has 32 divisors (see below), whose sum is σ = 3414964766400. Its totient is φ = 424973392704.

The previous prime is 1320453042277. The next prime is 1320453042313. The reversal of 1320453042312 is 2132403540231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320453042312.

It is not an unprimeable number, because it can be changed into a prime (1320453042313) 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, 948600628 + ... + 948602019.

It is an arithmetic number, because the mean of its divisors is an integer number (106717648950).

Almost surely, 2^{1320453042312} is an apocalyptic number.

1320453042312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320453042312 is an abundant number, since it is smaller than the sum of its proper divisors (2094511724088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320453042312 is a wasteful number, since it uses less digits than its factorization.

1320453042312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897202685 (or 1897202681 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1320453042312 its reverse (2132403540231), we get a palindrome (3452856582543).

The spelling of 1320453042312 in words is "one trillion, three hundred twenty billion, four hundred fifty-three million, forty-two thousand, three hundred twelve".