201012131323021 has 8 divisors (see below), whose sum is σ = 204326172128288. Its totient is φ = 197698695678000.

The previous prime is 201012131322991. The next prime is 201012131323057. The reversal of 201012131323021 is 120323131210102.

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 201012131323021 - 2¹⁹ = 201012130798733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201012131322983 and 201012131323001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012131326021) 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, 150620235 + ... + 151948936.

It is an arithmetic number, because the mean of its divisors is an integer number (25540771516036).

Almost surely, 2^{201012131323021} is an apocalyptic number.

It is an amenable number.

201012131323021 is a deficient number, since it is larger than the sum of its proper divisors (3314040805267).

201012131323021 is a wasteful number, since it uses less digits than its factorization.

201012131323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302580123.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 201012131323021 its reverse (120323131210102), we get a palindrome (321335262533123).

The spelling of 201012131323021 in words is "two hundred one trillion, twelve billion, one hundred thirty-one million, three hundred twenty-three thousand, twenty-one".