201231320122006 has 8 divisors (see below), whose sum is σ = 301851844710624. Its totient is φ = 100614038551800.

The previous prime is 201231320122003. The next prime is 201231320122057. The reversal of 201231320122006 is 600221023132102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201231320122003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810599470 + ... + 810847681.

It is an arithmetic number, because the mean of its divisors is an integer number (37731480588828).

Almost surely, 2^{201231320122006} is an apocalyptic number.

201231320122006 is a deficient number, since it is larger than the sum of its proper divisors (100620524588618).

201231320122006 is a wasteful number, since it uses less digits than its factorization.

201231320122006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621509206.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 201231320122006 its reverse (600221023132102), we get a palindrome (801452343254108).

The spelling of 201231320122006 in words is "two hundred one trillion, two hundred thirty-one billion, three hundred twenty million, one hundred twenty-two thousand, six".