102010201221212 has 24 divisors (see below), whose sum is σ = 189252547485120. Its totient is φ = 47945462105600.

The previous prime is 102010201221143. The next prime is 102010201221221. The reversal of 102010201221212 is 212122102010201.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 927108164 + ... + 927218187.

It is an arithmetic number, because the mean of its divisors is an integer number (7885522811880).

Almost surely, 2^{102010201221212} is an apocalyptic number.

It is an amenable number.

102010201221212 is a deficient number, since it is larger than the sum of its proper divisors (87242346263908).

102010201221212 is a wasteful number, since it uses less digits than its factorization.

102010201221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854327181 (or 1854327179 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102010201221212 its reverse (212122102010201), we get a palindrome (314132303231413).

The spelling of 102010201221212 in words is "one hundred two trillion, ten billion, two hundred one million, two hundred twenty-one thousand, two hundred twelve".