2002012001210 has 16 divisors (see below), whose sum is σ = 3880823264136. Its totient is φ = 739204431168.

The previous prime is 2002012001201. The next prime is 2002012001257. The reversal of 2002012001210 is 121002102002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1138853943241 + 863158057969 = 1067171^2 + 929063^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2002012001191 and 2002012001200.

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, 7700046029 + ... + 7700046288.

Almost surely, 2^{2002012001210} is an apocalyptic number.

2002012001210 is a deficient number, since it is larger than the sum of its proper divisors (1878811262926).

2002012001210 is a wasteful number, since it uses less digits than its factorization.

2002012001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15400092337.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2002012001210 its reverse (121002102002), we get a palindrome (2123014103212).

The spelling of 2002012001210 in words is "two trillion, two billion, twelve million, one thousand, two hundred ten".