1202130311242 has 64 divisors (see below), whose sum is σ = 2112114816000. Its totient is φ = 512934508800.

The previous prime is 1202130311171. The next prime is 1202130311251. The reversal of 1202130311242 is 2421130312021.

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 31 ways as a sum of consecutive naturals, for example, 151188367 + ... + 151196317.

It is an arithmetic number, because the mean of its divisors is an integer number (33001794000).

Almost surely, 2^{1202130311242} is an apocalyptic number.

1202130311242 is a deficient number, since it is larger than the sum of its proper divisors (909984504758).

1202130311242 is an equidigital number, since it uses as much as digits as its factorization.

1202130311242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8916 (or 8902 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1202130311242 its reverse (2421130312021), we get a palindrome (3623260623263).

The spelling of 1202130311242 in words is "one trillion, two hundred two billion, one hundred thirty million, three hundred eleven thousand, two hundred forty-two".