201210012012012 has 12 divisors (see below), whose sum is σ = 469490028028056. Its totient is φ = 67070004004000.

The previous prime is 201210012012007. The next prime is 201210012012013. The reversal of 201210012012012 is 210210210012102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 201210012011982 and 201210012012000.

It is not an unprimeable number, because it can be changed into a prime (201210012012013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8383750500489 + ... + 8383750500512.

It is an arithmetic number, because the mean of its divisors is an integer number (39124169002338).

Almost surely, 2^{201210012012012} is an apocalyptic number.

It is an amenable number.

201210012012012 is an abundant number, since it is smaller than the sum of its proper divisors (268280016016044).

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

201210012012012 is a wasteful number, since it uses less digits than its factorization.

201210012012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16767501001008 (or 16767501001006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201210012012012 its reverse (210210210012102), we get a palindrome (411420222024114).

The spelling of 201210012012012 in words is "two hundred one trillion, two hundred ten billion, twelve million, twelve thousand, twelve".