102221201012 has 24 divisors (see below), whose sum is σ = 213331203456. Its totient is φ = 41904343008.

The previous prime is 102221200981. The next prime is 102221201039. The reversal of 102221201012 is 210102122201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79363643 + ... + 79364930.

It is an arithmetic number, because the mean of its divisors is an integer number (8888800144).

Almost surely, 2^102221201012 is an apocalyptic number.

It is an amenable number.

102221201012 is an abundant number, since it is smaller than the sum of its proper divisors (111110002444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102221201012 is a wasteful number, since it uses less digits than its factorization.

102221201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158728607 (or 158728605 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102221201012 its reverse (210102122201), we get a palindrome (312323323213).

The spelling of 102221201012 in words is "one hundred two billion, two hundred twenty-one million, two hundred one thousand, twelve".