201213049244 has 24 divisors (see below), whose sum is σ = 364416124800. Its totient is φ = 97110843840.

The previous prime is 201213049243. The next prime is 201213049249. The reversal of 201213049244 is 442940312102.

It is a self number, because there is not a number n which added to its sum of digits gives 201213049244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201213049243) by changing a digit.

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, 2037479 + ... + 2133950.

It is an arithmetic number, because the mean of its divisors is an integer number (15184005200).

Almost surely, 2^201213049244 is an apocalyptic number.

It is an amenable number.

201213049244 is a deficient number, since it is larger than the sum of its proper divisors (163203075556).

201213049244 is a wasteful number, since it uses less digits than its factorization.

201213049244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171853 (or 4171851 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 201213049244 in words is "two hundred one billion, two hundred thirteen million, forty-nine thousand, two hundred forty-four".