1012303321202 has 4 divisors (see below), whose sum is σ = 1518454981806. Its totient is φ = 506151660600.

The previous prime is 1012303321181. The next prime is 1012303321219. The reversal of 1012303321202 is 2021233032101.

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., 1005629901721 + 6673419481 = 1002811^2 + 81691^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253075830299 + ... + 253075830302.

Almost surely, 2^{1012303321202} is an apocalyptic number.

1012303321202 is a deficient number, since it is larger than the sum of its proper divisors (506151660604).

1012303321202 is an equidigital number, since it uses as much as digits as its factorization.

1012303321202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506151660603.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1012303321202 its reverse (2021233032101), we get a palindrome (3033536353303).

The spelling of 1012303321202 in words is "one trillion, twelve billion, three hundred three million, three hundred twenty-one thousand, two hundred two".