10002120001012 has 24 divisors (see below), whose sum is σ = 17922203484416. Its totient is φ = 4881638881728.

The previous prime is 10002120000989. The next prime is 10002120001031. The reversal of 10002120001012 is 21010002120001.

10002120001012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10002120001012.

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, 18285633 + ... + 18824680.

Almost surely, 2^{10002120001012} is an apocalyptic number.

It is an amenable number.

10002120001012 is a deficient number, since it is larger than the sum of its proper divisors (7920083483404).

10002120001012 is a wasteful number, since it uses less digits than its factorization.

10002120001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37111927 (or 37111925 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10002120001012 its reverse (21010002120001), we get a palindrome (31012122121013).

The spelling of 10002120001012 in words is "ten trillion, two billion, one hundred twenty million, one thousand, twelve".