102001101201212 has 6 divisors (see below), whose sum is σ = 178501927102128. Its totient is φ = 51000550600604.

The previous prime is 102001101201179. The next prime is 102001101201217. The reversal of 102001101201212 is 212102101100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001101201217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12750137650148 + ... + 12750137650155.

It is an arithmetic number, because the mean of its divisors is an integer number (29750321183688).

Almost surely, 2^{102001101201212} is an apocalyptic number.

It is an amenable number.

102001101201212 is a deficient number, since it is larger than the sum of its proper divisors (76500825900916).

102001101201212 is a wasteful number, since it uses less digits than its factorization.

102001101201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25500275300307 (or 25500275300305 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102001101201212 its reverse (212102101100201), we get a palindrome (314103202301413).

The spelling of 102001101201212 in words is "one hundred two trillion, one billion, one hundred one million, two hundred one thousand, two hundred twelve".