1202131031042 has 16 divisors (see below), whose sum is σ = 1851961740792. Its totient is φ = 584810979840.

The previous prime is 1202131030967. The next prime is 1202131031047. The reversal of 1202131031042 is 2401301312021.

It can be written as a sum of positive squares in 4 ways, for example, as 927983495761 + 274147535281 = 963319^2 + 523591^2 .

It is not an unprimeable number, because it can be changed into a prime (1202131031047) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7092242 + ... + 7259762.

Almost surely, 2^{1202131031042} is an apocalyptic number.

1202131031042 is a deficient number, since it is larger than the sum of its proper divisors (649830709750).

1202131031042 is a wasteful number, since it uses less digits than its factorization.

1202131031042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264533.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1202131031042 its reverse (2401301312021), we get a palindrome (3603432343063).

The spelling of 1202131031042 in words is "one trillion, two hundred two billion, one hundred thirty-one million, thirty-one thousand, forty-two".