201201262642 has 8 divisors (see below), whose sum is σ = 302098071600. Its totient is φ = 100501905444.

The previous prime is 201201262627. The next prime is 201201262709. The reversal of 201201262642 is 246262102102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201201262642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49360392 + ... + 49364467.

It is an arithmetic number, because the mean of its divisors is an integer number (37762258950).

Almost surely, 2^201201262642 is an apocalyptic number.

201201262642 is a deficient number, since it is larger than the sum of its proper divisors (100896808958).

201201262642 is a wasteful number, since it uses less digits than its factorization.

201201262642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98725880.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 201201262642 its reverse (246262102102), we get a palindrome (447463364744).

The spelling of 201201262642 in words is "two hundred one billion, two hundred one million, two hundred sixty-two thousand, six hundred forty-two".