20120121114213 has 32 divisors (see below), whose sum is σ = 28168363745280. Its totient is φ = 12750182881920.

The previous prime is 20120121114211. The next prime is 20120121114221. The reversal of 20120121114213 is 31241112102102.

It is not a de Polignac number, because 20120121114213 - 2¹ = 20120121114211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20120121114213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120121114211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6066708 + ... + 8777538.

It is an arithmetic number, because the mean of its divisors is an integer number (880261367040).

Almost surely, 2^{20120121114213} is an apocalyptic number.

20120121114213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20120121114213 is a deficient number, since it is larger than the sum of its proper divisors (8048242631067).

20120121114213 is a wasteful number, since it uses less digits than its factorization.

20120121114213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711529.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 20120121114213 its reverse (31241112102102), we get a palindrome (51361233216315).

The spelling of 20120121114213 in words is "twenty trillion, one hundred twenty billion, one hundred twenty-one million, one hundred fourteen thousand, two hundred thirteen".