1301001312 has 48 divisors (see below), whose sum is σ = 3677834160. Its totient is φ = 400307712.

The previous prime is 1301001293. The next prime is 1301001319. The reversal of 1301001312 is 2131001031.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301001319) 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, 519987 + ... + 522482.

It is an arithmetic number, because the mean of its divisors is an integer number (76621545).

Almost surely, 2^1301001312 is an apocalyptic number.

1301001312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1301001312 is an abundant number, since it is smaller than the sum of its proper divisors (2376832848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1301001312 is a wasteful number, since it uses less digits than its factorization.

1301001312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042495 (or 1042487 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1301001312 is about 36069.3957809110. The cubic root of 1301001312 is about 1091.6730226333.

Adding to 1301001312 its reverse (2131001031), we get a palindrome (3432002343).

The spelling of 1301001312 in words is "one billion, three hundred one million, one thousand, three hundred twelve".