1232120313 has 24 divisors (see below), whose sum is σ = 1833269568. Its totient is φ = 796835232.

The previous prime is 1232120293. The next prime is 1232120333. The reversal of 1232120313 is 3130212321.

1232120313 is a `hidden beast` number, since 1 + 232 + 120 + 313 = 666.

It is an interprime number because it is at equal distance from previous prime (1232120293) and next prime (1232120333).

It is not a de Polignac number, because 1232120313 - 2¹⁰ = 1232119289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1232120333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110220 + ... + 120882.

It is an arithmetic number, because the mean of its divisors is an integer number (76386232).

Almost surely, 2^1232120313 is an apocalyptic number.

It is an amenable number.

1232120313 is a deficient number, since it is larger than the sum of its proper divisors (601149255).

1232120313 is a wasteful number, since it uses less digits than its factorization.

1232120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11053 (or 11050 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1232120313 is about 35101.5713750823. The cubic root of 1232120313 is about 1072.0565777413.

Adding to 1232120313 its reverse (3130212321), we get a palindrome (4362332634).

The spelling of 1232120313 in words is "one billion, two hundred thirty-two million, one hundred twenty thousand, three hundred thirteen".