102002212120120 has 32 divisors (see below), whose sum is σ = 247159206292320. Its totient is φ = 37662355244160.

The previous prime is 102002212120103. The next prime is 102002212120139. The reversal of 102002212120120 is 21021212200201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102002212120094 and 102002212120103.

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, 98079049596 + ... + 98079050635.

It is an arithmetic number, because the mean of its divisors is an integer number (7723725196635).

Almost surely, 2^{102002212120120} is an apocalyptic number.

102002212120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102002212120120 is an abundant number, since it is smaller than the sum of its proper divisors (145156994172200).

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

102002212120120 is a wasteful number, since it uses less digits than its factorization.

102002212120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196158100255 (or 196158100251 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102002212120120 its reverse (21021212200201), we get a palindrome (123023424320321).

The spelling of 102002212120120 in words is "one hundred two trillion, two billion, two hundred twelve million, one hundred twenty thousand, one hundred twenty".