201213123013 has 8 divisors (see below), whose sum is σ = 229965576128. Its totient is φ = 172462600224.

The previous prime is 201213122983. The next prime is 201213123043. The reversal of 201213123013 is 310321312102.

It is an interprime number because it is at equal distance from previous prime (201213122983) and next prime (201213123043).

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

It is a cyclic number.

It is not a de Polignac number, because 201213123013 - 2¹³ = 201213114821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201213123043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251856 + ... + 682537.

It is an arithmetic number, because the mean of its divisors is an integer number (28745697016).

Almost surely, 2^201213123013 is an apocalyptic number.

It is an amenable number.

201213123013 is a deficient number, since it is larger than the sum of its proper divisors (28752453115).

201213123013 is an equidigital number, since it uses as much as digits as its factorization.

201213123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965163.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 201213123013 its reverse (310321312102), we get a palindrome (511534435115).

The spelling of 201213123013 in words is "two hundred one billion, two hundred thirteen million, one hundred twenty-three thousand, thirteen".