1202132140042 has 4 divisors (see below), whose sum is σ = 1803198210066. Its totient is φ = 601066070020.

The previous prime is 1202132140037. The next prime is 1202132140199. The reversal of 1202132140042 is 2400412312021.

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., 1082638169001 + 119493971041 = 1040499^2 + 345679^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1202132139995 and 1202132140022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300533035009 + ... + 300533035012.

Almost surely, 2^{1202132140042} is an apocalyptic number.

1202132140042 is a deficient number, since it is larger than the sum of its proper divisors (601066070024).

1202132140042 is an equidigital number, since it uses as much as digits as its factorization.

1202132140042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601066070023.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1202132140042 its reverse (2400412312021), we get a palindrome (3602544452063).

The spelling of 1202132140042 in words is "one trillion, two hundred two billion, one hundred thirty-two million, one hundred forty thousand, forty-two".