1148220434312 has 48 divisors (see below), whose sum is σ = 2506753039500. Its totient is φ = 491633960832.

The previous prime is 1148220434311. The next prime is 1148220434369. The reversal of 1148220434312 is 2134340228411.

It can be written as a sum of positive squares in 2 ways, for example, as 1030196580196 + 118023854116 = 1014986^2 + 343546^2 .

It is not an unprimeable number, because it can be changed into a prime (1148220434311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 950987 + ... + 1789082.

Almost surely, 2^{1148220434312} is an apocalyptic number.

It is an amenable number.

1148220434312 is an abundant number, since it is smaller than the sum of its proper divisors (1358532605188).

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

1148220434312 is a wasteful number, since it uses less digits than its factorization.

1148220434312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741158 (or 2741147 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 1148220434312 in words is "one trillion, one hundred forty-eight billion, two hundred twenty million, four hundred thirty-four thousand, three hundred twelve".