102031202212 has 6 divisors (see below), whose sum is σ = 178554603878. Its totient is φ = 51015601104.

The previous prime is 102031202201. The next prime is 102031202213. The reversal of 102031202212 is 212202130201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 99063785536 + 2967416676 = 314744^2 + 54474^2 .

It is not an unprimeable number, because it can be changed into a prime (102031202213) by changing a digit.

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 as a sum of consecutive naturals, namely, 12753900273 + ... + 12753900280.

Almost surely, 2^102031202212 is an apocalyptic number.

It is an amenable number.

102031202212 is a deficient number, since it is larger than the sum of its proper divisors (76523401666).

102031202212 is a wasteful number, since it uses less digits than its factorization.

102031202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25507800557 (or 25507800555 counting only the distinct ones).

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

Adding to 102031202212 its reverse (212202130201), we get a palindrome (314233332413).

The spelling of 102031202212 in words is "one hundred two billion, thirty-one million, two hundred two thousand, two hundred twelve".