2120100001012 has 24 divisors (see below), whose sum is σ = 4240317646656. Its totient is φ = 908589076608.

The previous prime is 2120100001009. The next prime is 2120100001037. The reversal of 2120100001012 is 2101000010212.

It is a self number, because there is not a number n which added to its sum of digits gives 2120100001012.

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, 4933 + ... + 2059180.

It is an arithmetic number, because the mean of its divisors is an integer number (176679901944).

Almost surely, 2^{2120100001012} is an apocalyptic number.

It is an amenable number.

2120100001012 is an abundant number, since it is smaller than the sum of its proper divisors (2120217645644).

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

2120100001012 is a wasteful number, since it uses less digits than its factorization.

2120100001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100807 (or 2100805 counting only the distinct ones).

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

Adding to 2120100001012 its reverse (2101000010212), we get a palindrome (4221100011224).

The spelling of 2120100001012 in words is "two trillion, one hundred twenty billion, one hundred million, one thousand, twelve".