1303310123121 has 32 divisors (see below), whose sum is σ = 1856900339712. Its totient is φ = 811143083520.

The previous prime is 1303310123081. The next prime is 1303310123183. The reversal of 1303310123121 is 1213210133031.

It is a happy number.

It is not a de Polignac number, because 1303310123121 - 2¹¹ = 1303310121073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1303310123221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3697441 + ... + 4034561.

It is an arithmetic number, because the mean of its divisors is an integer number (58028135616).

Almost surely, 2^{1303310123121} is an apocalyptic number.

It is an amenable number.

1303310123121 is a deficient number, since it is larger than the sum of its proper divisors (553590216591).

1303310123121 is a wasteful number, since it uses less digits than its factorization.

1303310123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338493.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1303310123121 its reverse (1213210133031), we get a palindrome (2516520256152).

The spelling of 1303310123121 in words is "one trillion, three hundred three billion, three hundred ten million, one hundred twenty-three thousand, one hundred twenty-one".