20012412003231 has 4 divisors (see below), whose sum is σ = 26683216004312. Its totient is φ = 13341608002152.

The previous prime is 20012412003209. The next prime is 20012412003253. The reversal of 20012412003231 is 13230021421002.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20012412003209) and next prime (20012412003253).

It is not a de Polignac number, because 20012412003231 - 2¹⁰ = 20012412002207 is a prime.

It is a super-2 number, since 2×20012412003231² (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 = 20012412003198 and 20012412003207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012412043231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3335402000536 + ... + 3335402000541.

It is an arithmetic number, because the mean of its divisors is an integer number (6670804001078).

Almost surely, 2^{20012412003231} is an apocalyptic number.

20012412003231 is a deficient number, since it is larger than the sum of its proper divisors (6670804001081).

20012412003231 is an equidigital number, since it uses as much as digits as its factorization.

20012412003231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670804001080.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20012412003231 its reverse (13230021421002), we get a palindrome (33242433424233).

The spelling of 20012412003231 in words is "twenty trillion, twelve billion, four hundred twelve million, three thousand, two hundred thirty-one".