10002120212122 has 8 divisors (see below), whose sum is σ = 15003213101856. Its totient is φ = 5001049178172.

The previous prime is 10002120212057. The next prime is 10002120212179. The reversal of 10002120212122 is 22121202120001.

It is a happy number.

10002120212122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 10002120212096 and 10002120212105.

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, 4267438 + ... + 6181849.

It is an arithmetic number, because the mean of its divisors is an integer number (1875401637732).

Almost surely, 2^{10002120212122} is an apocalyptic number.

10002120212122 is a deficient number, since it is larger than the sum of its proper divisors (5001092889734).

10002120212122 is a wasteful number, since it uses less digits than its factorization.

10002120212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10927892.

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

Adding to 10002120212122 its reverse (22121202120001), we get a palindrome (32123322332123).

The spelling of 10002120212122 in words is "ten trillion, two billion, one hundred twenty million, two hundred twelve thousand, one hundred twenty-two".