1202340022042 has 4 divisors (see below), whose sum is σ = 1803510033066. Its totient is φ = 601170011020.

The previous prime is 1202340022007. The next prime is 1202340022061. The reversal of 1202340022042 is 2402200432021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1078068966601 + 124271055441 = 1038301^2 + 352521^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300585005509 + ... + 300585005512.

Almost surely, 2^{1202340022042} is an apocalyptic number.

1202340022042 is a deficient number, since it is larger than the sum of its proper divisors (601170011024).

1202340022042 is an equidigital number, since it uses as much as digits as its factorization.

1202340022042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601170011023.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 1202340022042 its reverse (2402200432021), we get a palindrome (3604540454063).

The spelling of 1202340022042 in words is "one trillion, two hundred two billion, three hundred forty million, twenty-two thousand, forty-two".