1301123312 has 20 divisors (see below), whose sum is σ = 2535503640. Its totient is φ = 646799808.

The previous prime is 1301123267. The next prime is 1301123353. The reversal of 1301123312 is 2133211031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232262 + ... + 237797.

It is an arithmetic number, because the mean of its divisors is an integer number (126775182).

Almost surely, 2^1301123312 is an apocalyptic number.

It is an amenable number.

1301123312 is a deficient number, since it is larger than the sum of its proper divisors (1234380328).

1301123312 is a wasteful number, since it uses less digits than its factorization.

1301123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470240 (or 470234 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1301123312 is about 36071.0869256805. The cubic root of 1301123312 is about 1091.7071450549.

Adding to 1301123312 its reverse (2133211031), we get a palindrome (3434334343).

The spelling of 1301123312 in words is "one billion, three hundred one million, one hundred twenty-three thousand, three hundred twelve".