10002120001002 has 16 divisors (see below), whose sum is σ = 22226933335680. Its totient is φ = 3334040000316.

The previous prime is 10002120000989. The next prime is 10002120001031. The reversal of 10002120001002 is 20010002120001.

10002120001002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 92612222178 + ... + 92612222285.

It is an arithmetic number, because the mean of its divisors is an integer number (1389183333480).

Almost surely, 2^{10002120001002} is an apocalyptic number.

10002120001002 is an abundant number, since it is smaller than the sum of its proper divisors (12224813334678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10002120001002 is a wasteful number, since it uses less digits than its factorization.

10002120001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185224444474 (or 185224444468 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10002120001002 its reverse (20010002120001), we get a palindrome (30012122121003).

The spelling of 10002120001002 in words is "ten trillion, two billion, one hundred twenty million, one thousand, two".