1201314312 has 96 divisors (see below), whose sum is σ = 3559870080. Its totient is φ = 362954880.

The previous prime is 1201314239. The next prime is 1201314343. The reversal of 1201314312 is 2134131021.

1201314312 is a `hidden beast` number, since 1 + 201 + 31 + 431 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288598 + ... + 292730.

It is an arithmetic number, because the mean of its divisors is an integer number (37081980).

Almost surely, 2^1201314312 is an apocalyptic number.

1201314312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201314312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1779935040).

1201314312 is an abundant number, since it is smaller than the sum of its proper divisors (2358555768).

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

1201314312 is a wasteful number, since it uses less digits than its factorization.

1201314312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4523 (or 4516 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1201314312 is about 34659.9814194988. The cubic root of 1201314312 is about 1063.0463901036.

Adding to 1201314312 its reverse (2134131021), we get a palindrome (3335445333).

It can be divided in two parts, 1201 and 314312, that added together give a palindrome (315513).

The spelling of 1201314312 in words is "one billion, two hundred one million, three hundred fourteen thousand, three hundred twelve".