1001220022312 has 32 divisors (see below), whose sum is σ = 1976306457600. Its totient is φ = 474210681984.

The previous prime is 1001220022169. The next prime is 1001220022357. The reversal of 1001220022312 is 2132200221001.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1067628 + ... + 1772644.

It is an arithmetic number, because the mean of its divisors is an integer number (61759576800).

Almost surely, 2^{1001220022312} is an apocalyptic number.

It is an amenable number.

1001220022312 is a deficient number, since it is larger than the sum of its proper divisors (975086435288).

1001220022312 is a wasteful number, since it uses less digits than its factorization.

1001220022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714385 (or 714381 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1001220022312 its reverse (2132200221001), we get a palindrome (3133420243313).

The spelling of 1001220022312 in words is "one trillion, one billion, two hundred twenty million, twenty-two thousand, three hundred twelve".