1303011023122 has 4 divisors (see below), whose sum is σ = 1954516534686. Its totient is φ = 651505511560.

The previous prime is 1303011023011. The next prime is 1303011023123. The reversal of 1303011023122 is 2213201103031.

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., 970325472601 + 332685550521 = 985051^2 + 576789^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1303011023122.

It is not an unprimeable number, because it can be changed into a prime (1303011023123) by changing a digit.

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 as a sum of consecutive naturals, namely, 325752755779 + ... + 325752755782.

Almost surely, 2^{1303011023122} is an apocalyptic number.

1303011023122 is a deficient number, since it is larger than the sum of its proper divisors (651505511564).

1303011023122 is an equidigital number, since it uses as much as digits as its factorization.

1303011023122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651505511563.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1303011023122 its reverse (2213201103031), we get a palindrome (3516212126153).

The spelling of 1303011023122 in words is "one trillion, three hundred three billion, eleven million, twenty-three thousand, one hundred twenty-two".