102221202212012 has 48 divisors (see below), whose sum is σ = 193010258028672. Its totient is φ = 47090295732480.

The previous prime is 102221202211963. The next prime is 102221202212021. The reversal of 102221202212012 is 210212202122201.

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 15 ways as a sum of consecutive naturals, for example, 59649158 + ... + 61338930.

It is an arithmetic number, because the mean of its divisors is an integer number (4021047042264).

Almost surely, 2^{102221202212012} is an apocalyptic number.

It is an amenable number.

102221202212012 is a deficient number, since it is larger than the sum of its proper divisors (90789055816660).

102221202212012 is a wasteful number, since it uses less digits than its factorization.

102221202212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691978 (or 1691976 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102221202212012 its reverse (210212202122201), we get a palindrome (312433404334213).

The spelling of 102221202212012 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred two million, two hundred twelve thousand, twelve".