1303212030121 has 8 divisors (see below), whose sum is σ = 1311052814280. Its totient is φ = 1295383625088.

The previous prime is 1303212030119. The next prime is 1303212030161. The reversal of 1303212030121 is 1210302123031.

It can be written as a sum of positive squares in 4 ways, for example, as 293830127721 + 1009381902400 = 542061^2 + 1004680^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1303212030121 - 2¹ = 1303212030119 is a prime.

It is a super-2 number, since 2×1303212030121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303212030161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2883556 + ... + 3304741.

It is an arithmetic number, because the mean of its divisors is an integer number (163881601785).

Almost surely, 2^{1303212030121} is an apocalyptic number.

It is an amenable number.

1303212030121 is a deficient number, since it is larger than the sum of its proper divisors (7840784159).

1303212030121 is a wasteful number, since it uses less digits than its factorization.

1303212030121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6189563.

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

Adding to 1303212030121 its reverse (1210302123031), we get a palindrome (2513514153152).

The spelling of 1303212030121 in words is "one trillion, three hundred three billion, two hundred twelve million, thirty thousand, one hundred twenty-one".