20012121300331 has 8 divisors (see below), whose sum is σ = 20189442072384. Its totient is φ = 19834804429440.

The previous prime is 20012121300289. The next prime is 20012121300349. The reversal of 20012121300331 is 13300312121002.

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 20012121300331 - 2¹⁵ = 20012121267563 is a prime.

It is a super-2 number, since 2×20012121300331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20012121300299 and 20012121300308.

It is not an unprimeable number, because it can be changed into a prime (20012121301331) 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, 9860725 + ... + 11715721.

It is an arithmetic number, because the mean of its divisors is an integer number (2523680259048).

Almost surely, 2^{20012121300331} is an apocalyptic number.

20012121300331 is a deficient number, since it is larger than the sum of its proper divisors (177320772053).

20012121300331 is a wasteful number, since it uses less digits than its factorization.

20012121300331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950581.

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

Adding to 20012121300331 its reverse (13300312121002), we get a palindrome (33312433421333).

The spelling of 20012121300331 in words is "twenty trillion, twelve billion, one hundred twenty-one million, three hundred thousand, three hundred thirty-one".