102002120212 has 48 divisors (see below), whose sum is σ = 181821024000. Its totient is φ = 50063806080.

The previous prime is 102002120203. The next prime is 102002120221. The reversal of 102002120212 is 212021200201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102002120203) and next prime (102002120221).

It is a junction number, because it is equal to n+sod(n) for n = 102002120192 and 102002120201.

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, 27997663 + ... + 28001305.

It is an arithmetic number, because the mean of its divisors is an integer number (3787938000).

Almost surely, 2^102002120212 is an apocalyptic number.

It is an amenable number.

102002120212 is a deficient number, since it is larger than the sum of its proper divisors (79818903788).

102002120212 is a wasteful number, since it uses less digits than its factorization.

102002120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336 (or 4334 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102002120212 its reverse (212021200201), we get a palindrome (314023320413).

The spelling of 102002120212 in words is "one hundred two billion, two million, one hundred twenty thousand, two hundred twelve".