102212122212120 has 128 divisors (see below), whose sum is σ = 310442489438400. Its totient is φ = 26920263745536.

The previous prime is 102212122212107. The next prime is 102212122212149. The reversal of 102212122212120 is 21212221212201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12541225 + ... + 19018584.

Almost surely, 2^{102212122212120} is an apocalyptic number.

102212122212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102212122212120 is an abundant number, since it is smaller than the sum of its proper divisors (208230367226280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102212122212120 is a wasteful number, since it uses less digits than its factorization.

102212122212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31560157 (or 31560153 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 102212122212120 its reverse (21212221212201), we get a palindrome (123424343424321).

The spelling of 102212122212120 in words is "one hundred two trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty".