10002120020212 has 24 divisors (see below), whose sum is σ = 17778614908320. Its totient is φ = 4922630512800.

The previous prime is 10002120020059. The next prime is 10002120020261. The reversal of 10002120020212 is 21202002120001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10002120020192 and 10002120020201.

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, 13994662 + ... + 14691997.

It is an arithmetic number, because the mean of its divisors is an integer number (740775621180).

Almost surely, 2^{10002120020212} is an apocalyptic number.

It is an amenable number.

10002120020212 is a deficient number, since it is larger than the sum of its proper divisors (7776494888108).

10002120020212 is a wasteful number, since it uses less digits than its factorization.

10002120020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28688031 (or 28688029 counting only the distinct ones).

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

Adding to 10002120020212 its reverse (21202002120001), we get a palindrome (31204122140213).

The spelling of 10002120020212 in words is "ten trillion, two billion, one hundred twenty million, twenty thousand, two hundred twelve".