212202123212102 has 48 divisors (see below), whose sum is σ = 352157984896608. Its totient is φ = 95792444375040.

The previous prime is 212202123212081. The next prime is 212202123212143. The reversal of 212202123212102 is 201212321202212.

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 in 23 ways as a sum of consecutive naturals, for example, 68358203 + ... + 71395014.

It is an arithmetic number, because the mean of its divisors is an integer number (7336624685346).

Almost surely, 2^{212202123212102} is an apocalyptic number.

212202123212102 is a deficient number, since it is larger than the sum of its proper divisors (139955861684506).

212202123212102 is a wasteful number, since it uses less digits than its factorization.

212202123212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139753361 (or 139753344 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 212202123212102 its reverse (201212321202212), we get a palindrome (413414444414314).

The spelling of 212202123212102 in words is "two hundred twelve trillion, two hundred two billion, one hundred twenty-three million, two hundred twelve thousand, one hundred two".