1303212002121 has 24 divisors (see below), whose sum is σ = 1922266151520. Its totient is φ = 850538448000.

The previous prime is 1303212002119. The next prime is 1303212002171. The reversal of 1303212002121 is 1212002123031.

1303212002121 is a `hidden beast` number, since 130 + 321 + 2 + 0 + 0 + 212 + 1 = 666.

It is not a de Polignac number, because 1303212002121 - 2¹ = 1303212002119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1303212002094 and 1303212002103.

It is not an unprimeable number, because it can be changed into a prime (1303212002171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4963855 + ... + 5219796.

It is an arithmetic number, because the mean of its divisors is an integer number (80094422980).

Almost surely, 2^{1303212002121} is an apocalyptic number.

It is an amenable number.

1303212002121 is a deficient number, since it is larger than the sum of its proper divisors (619054149399).

1303212002121 is a wasteful number, since it uses less digits than its factorization.

1303212002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10183957 (or 10183954 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1303212002121 its reverse (1212002123031), we get a palindrome (2515214125152).

The spelling of 1303212002121 in words is "one trillion, three hundred three billion, two hundred twelve million, two thousand, one hundred twenty-one".