1003122312 has 32 divisors (see below), whose sum is σ = 2513320800. Its totient is φ = 333638784.

The previous prime is 1003122301. The next prime is 1003122317. The reversal of 1003122312 is 2132213001.

It is a junction number, because it is equal to n+sod(n) for n = 1003122291 and 1003122300.

It is not an unprimeable number, because it can be changed into a prime (1003122317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34762 + ... + 56697.

It is an arithmetic number, because the mean of its divisors is an integer number (78541275).

Almost surely, 2^1003122312 is an apocalyptic number.

1003122312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1003122312 is an abundant number, since it is smaller than the sum of its proper divisors (1510198488).

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

1003122312 is a wasteful number, since it uses less digits than its factorization.

1003122312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91925 (or 91921 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1003122312 is about 31672.1062135122. The cubic root of 1003122312 is about 1001.0396893381.

Adding to 1003122312 its reverse (2132213001), we get a palindrome (3135335313).

The spelling of 1003122312 in words is "one billion, three million, one hundred twenty-two thousand, three hundred twelve".