2120002121012 has 6 divisors (see below), whose sum is σ = 3710003711778. Its totient is φ = 1060001060504.

The previous prime is 2120002120997. The next prime is 2120002121047. The reversal of 2120002121012 is 2101212000212.

It can be written as a sum of positive squares in only one way, i.e., 2079490897936 + 40511223076 = 1442044^2 + 201274^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265000265123 + ... + 265000265130.

It is an arithmetic number, because the mean of its divisors is an integer number (618333951963).

Almost surely, 2^{2120002121012} is an apocalyptic number.

It is an amenable number.

2120002121012 is a deficient number, since it is larger than the sum of its proper divisors (1590001590766).

2120002121012 is a wasteful number, since it uses less digits than its factorization.

2120002121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530000530257 (or 530000530255 counting only the distinct ones).

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

Adding to 2120002121012 its reverse (2101212000212), we get a palindrome (4221214121224).

The spelling of 2120002121012 in words is "two trillion, one hundred twenty billion, two million, one hundred twenty-one thousand, twelve".