1209000480242 has 4 divisors (see below), whose sum is σ = 1813500720366. Its totient is φ = 604500240120.

The previous prime is 1209000480241. The next prime is 1209000480271. The reversal of 1209000480242 is 2420840009021.

It is a happy number.

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., 1208044990321 + 955489921 = 1099111^2 + 30911^2 .

It is a super-2 number, since 2×1209000480242² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1209000480199 and 1209000480208.

It is not an unprimeable number, because it can be changed into a prime (1209000480241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302250120059 + ... + 302250120062.

Almost surely, 2^{1209000480242} is an apocalyptic number.

1209000480242 is a deficient number, since it is larger than the sum of its proper divisors (604500240124).

1209000480242 is an equidigital number, since it uses as much as digits as its factorization.

1209000480242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604500240123.

The product of its (nonzero) digits is 9216, while the sum is 32.

Adding to 1209000480242 its reverse (2420840009021), we get a palindrome (3629840489263).

The spelling of 1209000480242 in words is "one trillion, two hundred nine billion, four hundred eighty thousand, two hundred forty-two".