201212010204 has 24 divisors (see below), whose sum is σ = 470045118480. Its totient is φ = 66992037504.

The previous prime is 201212010193. The next prime is 201212010283. The reversal of 201212010204 is 402010212102.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9818409 + ... + 9838880.

It is an arithmetic number, because the mean of its divisors is an integer number (19585213270).

Almost surely, 2^201212010204 is an apocalyptic number.

It is an amenable number.

201212010204 is an abundant number, since it is smaller than the sum of its proper divisors (268833108276).

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

201212010204 is a wasteful number, since it uses less digits than its factorization.

201212010204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19658149 (or 19658147 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201212010204 its reverse (402010212102), we get a palindrome (603222222306).

The spelling of 201212010204 in words is "two hundred one billion, two hundred twelve million, ten thousand, two hundred four".