2012212120210 has 16 divisors (see below), whose sum is σ = 3637798335000. Its totient is φ = 801370066176.

The previous prime is 2012212120117. The next prime is 2012212120211. The reversal of 2012212120210 is 120212122102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1950891008049 + 61321112161 = 1396743^2 + 247631^2 .

It is not an unprimeable number, because it can be changed into a prime (2012212120211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439345335 + ... + 439349914.

Almost surely, 2^{2012212120210} is an apocalyptic number.

2012212120210 is a deficient number, since it is larger than the sum of its proper divisors (1625586214790).

2012212120210 is a wasteful number, since it uses less digits than its factorization.

2012212120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878695485.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2012212120210 its reverse (120212122102), we get a palindrome (2132424242312).

The spelling of 2012212120210 in words is "two trillion, twelve billion, two hundred twelve million, one hundred twenty thousand, two hundred ten".