102111200201212 has 12 divisors (see below), whose sum is σ = 178694801908000. Its totient is φ = 51055542513216.

The previous prime is 102111200201183. The next prime is 102111200201251. The reversal of 102111200201212 is 212102002111201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10276212 + ... + 17601787.

Almost surely, 2^{102111200201212} is an apocalyptic number.

It is an amenable number.

102111200201212 is a deficient number, since it is larger than the sum of its proper divisors (76583601706788).

102111200201212 is a wasteful number, since it uses less digits than its factorization.

102111200201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28793700 (or 28793698 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102111200201212 its reverse (212102002111201), we get a palindrome (314213202312413).

The spelling of 102111200201212 in words is "one hundred two trillion, one hundred eleven billion, two hundred million, two hundred one thousand, two hundred twelve".