102312200444 has 24 divisors (see below), whose sum is σ = 190942380720. Its totient is φ = 47800532736.

The previous prime is 102312200437. The next prime is 102312200509. The reversal of 102312200444 is 444002213201.

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, 5402747 + ... + 5421650.

It is an arithmetic number, because the mean of its divisors is an integer number (7955932530).

Almost surely, 2^102312200444 is an apocalyptic number.

It is an amenable number.

102312200444 is a deficient number, since it is larger than the sum of its proper divisors (88630180276).

102312200444 is a wasteful number, since it uses less digits than its factorization.

102312200444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10824557 (or 10824555 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 102312200444 its reverse (444002213201), we get a palindrome (546314413645).

The spelling of 102312200444 in words is "one hundred two billion, three hundred twelve million, two hundred thousand, four hundred forty-four".