212202001012 has 6 divisors (see below), whose sum is σ = 371353501778. Its totient is φ = 106101000504.

The previous prime is 212202000971. The next prime is 212202001013. The reversal of 212202001012 is 210100202212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 121580531856 + 90621469156 = 348684^2 + 301034^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212202000983 and 212202001001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202001013) 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, 26525250123 + ... + 26525250130.

Almost surely, 2^212202001012 is an apocalyptic number.

It is an amenable number.

212202001012 is a deficient number, since it is larger than the sum of its proper divisors (159151500766).

212202001012 is a wasteful number, since it uses less digits than its factorization.

212202001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53050500257 (or 53050500255 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212202001012 its reverse (210100202212), we get a palindrome (422302203224).

The spelling of 212202001012 in words is "two hundred twelve billion, two hundred two million, one thousand, twelve".