1303121133122 has 4 divisors (see below), whose sum is σ = 1954681699686. Its totient is φ = 651560566560.

The previous prime is 1303121133109. The next prime is 1303121133131. The reversal of 1303121133122 is 2213311213031.

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., 1302704932321 + 416200801 = 1141361^2 + 20401^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325780283279 + ... + 325780283282.

Almost surely, 2^{1303121133122} is an apocalyptic number.

1303121133122 is a deficient number, since it is larger than the sum of its proper divisors (651560566564).

1303121133122 is an equidigital number, since it uses as much as digits as its factorization.

1303121133122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651560566563.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1303121133122 its reverse (2213311213031), we get a palindrome (3516432346153).

The spelling of 1303121133122 in words is "one trillion, three hundred three billion, one hundred twenty-one million, one hundred thirty-three thousand, one hundred twenty-two".