1031120202212 has 6 divisors (see below), whose sum is σ = 1804460353878. Its totient is φ = 515560101104.

The previous prime is 1031120202187. The next prime is 1031120202227. The reversal of 1031120202212 is 2122020211301.

It can be written as a sum of positive squares in only one way, i.e., 999828007396 + 31292194816 = 999914^2 + 176896^2 .

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 as a sum of consecutive naturals, namely, 128890025273 + ... + 128890025280.

It is an arithmetic number, because the mean of its divisors is an integer number (300743392313).

Almost surely, 2^{1031120202212} is an apocalyptic number.

It is an amenable number.

1031120202212 is a deficient number, since it is larger than the sum of its proper divisors (773340151666).

1031120202212 is a wasteful number, since it uses less digits than its factorization.

1031120202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257780050557 (or 257780050555 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1031120202212 its reverse (2122020211301), we get a palindrome (3153140413513).

The spelling of 1031120202212 in words is "one trillion, thirty-one billion, one hundred twenty million, two hundred two thousand, two hundred twelve".