102102311212 has 24 divisors (see below), whose sum is σ = 195001813440. Its totient is φ = 46391279760.

The previous prime is 102102311123. The next prime is 102102311243. The reversal of 102102311212 is 212113201201.

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, 361762 + ... + 578857.

It is an arithmetic number, because the mean of its divisors is an integer number (8125075560).

Almost surely, 2^102102311212 is an apocalyptic number.

It is an amenable number.

102102311212 is a deficient number, since it is larger than the sum of its proper divisors (92899502228).

102102311212 is a wasteful number, since it uses less digits than its factorization.

102102311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943101 (or 943099 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102102311212 its reverse (212113201201), we get a palindrome (314215512413).

It can be divided in two parts, 102102 and 311212, that added together give a palindrome (413314).

The spelling of 102102311212 in words is "one hundred two billion, one hundred two million, three hundred eleven thousand, two hundred twelve".