10002120021212 has 24 divisors (see below), whose sum is σ = 19101673124352. Its totient is φ = 4544818972400.

The previous prime is 10002120021151. The next prime is 10002120021293. The reversal of 10002120021212 is 21212002120001.

10002120021212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 39853964 + ... + 40104147.

It is an arithmetic number, because the mean of its divisors is an integer number (795903046848).

Almost surely, 2^{10002120021212} is an apocalyptic number.

It is an amenable number.

10002120021212 is a deficient number, since it is larger than the sum of its proper divisors (9099553103140).

10002120021212 is a wasteful number, since it uses less digits than its factorization.

10002120021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79960969 (or 79960967 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10002120021212 its reverse (21212002120001), we get a palindrome (31214122141213).

The spelling of 10002120021212 in words is "ten trillion, two billion, one hundred twenty million, twenty-one thousand, two hundred twelve".