1331146212 has 48 divisors (see below), whose sum is σ = 3392891712. Its totient is φ = 402839680.

The previous prime is 1331146207. The next prime is 1331146237. The reversal of 1331146212 is 2126411331.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 98878 + ... + 111530.

It is an arithmetic number, because the mean of its divisors is an integer number (70685244).

Almost surely, 2^1331146212 is an apocalyptic number.

1331146212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1331146212 is an abundant number, since it is smaller than the sum of its proper divisors (2061745500).

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

1331146212 is a wasteful number, since it uses less digits than its factorization.

1331146212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13468 (or 13466 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 1331146212 is about 36484.8764832773. The cubic root of 1331146212 is about 1100.0402773131.

Adding to 1331146212 its reverse (2126411331), we get a palindrome (3457557543).

The spelling of 1331146212 in words is "one billion, three hundred thirty-one million, one hundred forty-six thousand, two hundred twelve".