1201003032142 has 16 divisors (see below), whose sum is σ = 1806686779392. Its totient is φ = 598774601880.

The previous prime is 1201003032113. The next prime is 1201003032149. The reversal of 1201003032142 is 2412303001021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201003032149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4864123 + ... + 5105065.

It is an arithmetic number, because the mean of its divisors is an integer number (112917923712).

Almost surely, 2^{1201003032142} is an apocalyptic number.

1201003032142 is a deficient number, since it is larger than the sum of its proper divisors (605683747250).

1201003032142 is a wasteful number, since it uses less digits than its factorization.

1201003032142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248103.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1201003032142 its reverse (2412303001021), we get a palindrome (3613306033163).

The spelling of 1201003032142 in words is "one trillion, two hundred one billion, three million, thirty-two thousand, one hundred forty-two".