1320143224642 has 32 divisors (see below), whose sum is σ = 2165190217344. Its totient is φ = 598689216000.

The previous prime is 1320143224619. The next prime is 1320143224643. The reversal of 1320143224642 is 2464223410231.

It is a junction number, because it is equal to n+sod(n) for n = 1320143224598 and 1320143224607.

It is not an unprimeable number, because it can be changed into a prime (1320143224643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40230642 + ... + 40263442.

It is an arithmetic number, because the mean of its divisors is an integer number (67662194292).

Almost surely, 2^{1320143224642} is an apocalyptic number.

1320143224642 is a deficient number, since it is larger than the sum of its proper divisors (845046992702).

1320143224642 is a wasteful number, since it uses less digits than its factorization.

1320143224642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36954.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 1320143224642 its reverse (2464223410231), we get a palindrome (3784366634873).

The spelling of 1320143224642 in words is "one trillion, three hundred twenty billion, one hundred forty-three million, two hundred twenty-four thousand, six hundred forty-two".