1312122301 has 4 divisors (see below), whose sum is σ = 1499568352. Its totient is φ = 1124676252.

The previous prime is 1312122277. The next prime is 1312122341. The reversal of 1312122301 is 1032212131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1312122301 - 2¹³ = 1312114109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312122341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93723015 + ... + 93723028.

It is an arithmetic number, because the mean of its divisors is an integer number (374892088).

Almost surely, 2^1312122301 is an apocalyptic number.

It is an amenable number.

1312122301 is a deficient number, since it is larger than the sum of its proper divisors (187446051).

1312122301 is an equidigital number, since it uses as much as digits as its factorization.

1312122301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187446050.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1312122301 is about 36223.2287489671. The cubic root of 1312122301 is about 1094.7747501341.

Adding to 1312122301 its reverse (1032212131), we get a palindrome (2344334432).

The spelling of 1312122301 in words is "one billion, three hundred twelve million, one hundred twenty-two thousand, three hundred one".