1243204434202 has 8 divisors (see below), whose sum is σ = 1867466862612. Its totient is φ = 620715480000.

The previous prime is 1243204434139. The next prime is 1243204434253. The reversal of 1243204434202 is 2024344023421.

It can be written as a sum of positive squares in 2 ways, for example, as 1243200470121 + 3964081 = 1114989^2 + 1991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443366799 + ... + 443369602.

Almost surely, 2^{1243204434202} is an apocalyptic number.

1243204434202 is a deficient number, since it is larger than the sum of its proper divisors (624262428410).

1243204434202 is an equidigital number, since it uses as much as digits as its factorization.

1243204434202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886737104.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 1243204434202 its reverse (2024344023421), we get a palindrome (3267548457623).

The spelling of 1243204434202 in words is "one trillion, two hundred forty-three billion, two hundred four million, four hundred thirty-four thousand, two hundred two".