20122001331213 has 8 divisors (see below), whose sum is σ = 26977563479776. Its totient is φ = 13340553368400.

The previous prime is 20122001331203. The next prime is 20122001331251. The reversal of 20122001331213 is 31213310022102.

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

It is not a de Polignac number, because 20122001331213 - 2⁵ = 20122001331181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122001331213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122001331203) 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, 18528545803 + ... + 18528546888.

It is an arithmetic number, because the mean of its divisors is an integer number (3372195434972).

Almost surely, 2^{20122001331213} is an apocalyptic number.

It is an amenable number.

20122001331213 is a deficient number, since it is larger than the sum of its proper divisors (6855562148563).

20122001331213 is a wasteful number, since it uses less digits than its factorization.

20122001331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37057092875.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20122001331213 its reverse (31213310022102), we get a palindrome (51335311353315).

The spelling of 20122001331213 in words is "twenty trillion, one hundred twenty-two billion, one million, three hundred thirty-one thousand, two hundred thirteen".