102120210212012 has 12 divisors (see below), whose sum is σ = 179216629538856. Its totient is φ = 50915458915200.

The previous prime is 102120210211949. The next prime is 102120210212029. The reversal of 102120210212012 is 210212012021201.

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, 36161546114 + ... + 36161548937.

It is an arithmetic number, because the mean of its divisors is an integer number (14934719128238).

Almost surely, 2^{102120210212012} is an apocalyptic number.

It is an amenable number.

102120210212012 is a deficient number, since it is larger than the sum of its proper divisors (77096419326844).

102120210212012 is a wasteful number, since it uses less digits than its factorization.

102120210212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72323095408 (or 72323095406 counting only the distinct ones).

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

Adding to 102120210212012 its reverse (210212012021201), we get a palindrome (312332222233213).

The spelling of 102120210212012 in words is "one hundred two trillion, one hundred twenty billion, two hundred ten million, two hundred twelve thousand, twelve".