213051503012 has 6 divisors (see below), whose sum is σ = 372840130278. Its totient is φ = 106525751504.

The previous prime is 213051503011. The next prime is 213051503017. The reversal of 213051503012 is 210305150312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 204571671616 + 8479831396 = 452296^2 + 92086^2 .

It is not an unprimeable number, because it can be changed into a prime (213051503011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26631437873 + ... + 26631437880.

It is an arithmetic number, because the mean of its divisors is an integer number (62140021713).

Almost surely, 2^213051503012 is an apocalyptic number.

It is an amenable number.

213051503012 is a deficient number, since it is larger than the sum of its proper divisors (159788627266).

213051503012 is a wasteful number, since it uses less digits than its factorization.

213051503012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53262875757 (or 53262875755 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 213051503012 its reverse (210305150312), we get a palindrome (423356653324).

The spelling of 213051503012 in words is "two hundred thirteen billion, fifty-one million, five hundred three thousand, twelve".