1031232212 has 6 divisors (see below), whose sum is σ = 1804656378. Its totient is φ = 515616104.

The previous prime is 1031232211. The next prime is 1031232229. The reversal of 1031232212 is 2122321301.

It can be written as a sum of positive squares in only one way, i.e., 716311696 + 314920516 = 26764^2 + 17746^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031232211) 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 as a sum of consecutive naturals, namely, 128904023 + ... + 128904030.

It is an arithmetic number, because the mean of its divisors is an integer number (300776063).

Almost surely, 2^1031232212 is an apocalyptic number.

It is an amenable number.

1031232212 is a deficient number, since it is larger than the sum of its proper divisors (773424166).

1031232212 is a wasteful number, since it uses less digits than its factorization.

1031232212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257808057 (or 257808055 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1031232212 is about 32112.8044866841. The cubic root of 1031232212 is about 1010.3041961866.

Adding to 1031232212 its reverse (2122321301), we get a palindrome (3153553513).

It can be divided in two parts, 10312 and 32212, that added together give a palindrome (42524).

The spelling of 1031232212 in words is "one billion, thirty-one million, two hundred thirty-two thousand, two hundred twelve".