2120012000002 has 64 divisors (see below), whose sum is σ = 3554239951584. Its totient is φ = 942306877440.

The previous prime is 2120011999991. The next prime is 2120012000011. The reversal of 2120012000002 is 2000002100212.

It can be written as a sum of positive squares in 16 ways, for example, as 336561259321 + 1783450740681 = 580139^2 + 1335459^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15794758 + ... + 15928414.

Almost surely, 2^{2120012000002} is an apocalyptic number.

2120012000002 is a deficient number, since it is larger than the sum of its proper divisors (1434227951582).

2120012000002 is a wasteful number, since it uses less digits than its factorization.

2120012000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133943.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2120012000002 its reverse (2000002100212), we get a palindrome (4120014100214).

The spelling of 2120012000002 in words is "two trillion, one hundred twenty billion, twelve million, two", and thus it is an aban number.