1320212243442 has 32 divisors (see below), whose sum is σ = 2782199070720. Its totient is φ = 416488398480.

The previous prime is 1320212243431. The next prime is 1320212243489. The reversal of 1320212243442 is 2443422120231.

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 15 ways as a sum of consecutive naturals, for example, 5730018 + ... + 5955965.

It is an arithmetic number, because the mean of its divisors is an integer number (86943720960).

Almost surely, 2^{1320212243442} is an apocalyptic number.

1320212243442 is an abundant number, since it is smaller than the sum of its proper divisors (1461986827278).

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

1320212243442 is a wasteful number, since it uses less digits than its factorization.

1320212243442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11686998.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1320212243442 its reverse (2443422120231), we get a palindrome (3763634363673).

The spelling of 1320212243442 in words is "one trillion, three hundred twenty billion, two hundred twelve million, two hundred forty-three thousand, four hundred forty-two".