102100210212212 has 48 divisors (see below), whose sum is σ = 187409152732032. Its totient is φ = 48578135992320.

The previous prime is 102100210212173. The next prime is 102100210212257. The reversal of 102100210212212 is 212212012001201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19305383 + ... + 24018705.

It is an arithmetic number, because the mean of its divisors is an integer number (3904357348584).

Almost surely, 2^{102100210212212} is an apocalyptic number.

It is an amenable number.

102100210212212 is a deficient number, since it is larger than the sum of its proper divisors (85308942519820).

102100210212212 is a wasteful number, since it uses less digits than its factorization.

102100210212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714568 (or 4714566 counting only the distinct ones).

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

Adding to 102100210212212 its reverse (212212012001201), we get a palindrome (314312222213413).

The spelling of 102100210212212 in words is "one hundred two trillion, one hundred billion, two hundred ten million, two hundred twelve thousand, two hundred twelve".