202031120212 has 6 divisors (see below), whose sum is σ = 353554460378. Its totient is φ = 101015560104.

The previous prime is 202031120209. The next prime is 202031120257. The reversal of 202031120212 is 212021130202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 147483649296 + 54547470916 = 384036^2 + 233554^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25253890023 + ... + 25253890030.

Almost surely, 2^202031120212 is an apocalyptic number.

It is an amenable number.

202031120212 is a deficient number, since it is larger than the sum of its proper divisors (151523340166).

202031120212 is a wasteful number, since it uses less digits than its factorization.

202031120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50507780057 (or 50507780055 counting only the distinct ones).

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

Adding to 202031120212 its reverse (212021130202), we get a palindrome (414052250414).

The spelling of 202031120212 in words is "two hundred two billion, thirty-one million, one hundred twenty thousand, two hundred twelve".