1302311332112 has 30 divisors (see below), whose sum is σ = 2935183833198. Its totient is φ = 558133427712.

The previous prime is 1302311332111. The next prime is 1302311332117. The reversal of 1302311332112 is 2112331132031.

It can be written as a sum of positive squares in only one way, i.e., 732763392256 + 569547939856 = 856016^2 + 754684^2 .

It is not an unprimeable number, because it can be changed into a prime (1302311332111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 830554913 + ... + 830556480.

Almost surely, 2^{1302311332112} is an apocalyptic number.

It is an amenable number.

1302311332112 is an abundant number, since it is smaller than the sum of its proper divisors (1632872501086).

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

1302311332112 is a wasteful number, since it uses less digits than its factorization.

1302311332112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661111415 (or 1661111402 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1302311332112 its reverse (2112331132031), we get a palindrome (3414642464143).

The spelling of 1302311332112 in words is "one trillion, three hundred two billion, three hundred eleven million, three hundred thirty-two thousand, one hundred twelve".