1201301312 has 28 divisors (see below), whose sum is σ = 2441979876. Its totient is φ = 585999360.

The previous prime is 1201301267. The next prime is 1201301371. The reversal of 1201301312 is 2131031021.

It can be written as a sum of positive squares in 2 ways, for example, as 381967936 + 819333376 = 19544^2 + 28624^2 .

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, 226283 + ... + 231530.

It is an arithmetic number, because the mean of its divisors is an integer number (87213567).

Almost surely, 2^1201301312 is an apocalyptic number.

It is an amenable number.

1201301312 is an abundant number, since it is smaller than the sum of its proper divisors (1240678564).

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

1201301312 is an equidigital number, since it uses as much as digits as its factorization.

1201301312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457866 (or 457856 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1201301312 is about 34659.7938828263. The cubic root of 1201301312 is about 1063.0425555110.

Adding to 1201301312 its reverse (2131031021), we get a palindrome (3332332333).

The spelling of 1201301312 in words is "one billion, two hundred one million, three hundred one thousand, three hundred twelve".