2012312313231 has 32 divisors (see below), whose sum is σ = 3128140539648. Its totient is φ = 1137115491840.

The previous prime is 2012312313173. The next prime is 2012312313233. The reversal of 2012312313231 is 1323132132102.

It is not a de Polignac number, because 2012312313231 - 2¹⁴ = 2012312296847 is a prime.

It is a super-2 number, since 2×2012312313231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012312313233) 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, 16701700 + ... + 16821753.

It is an arithmetic number, because the mean of its divisors is an integer number (97754391864).

Almost surely, 2^{2012312313231} is an apocalyptic number.

2012312313231 is a deficient number, since it is larger than the sum of its proper divisors (1115828226417).

2012312313231 is a wasteful number, since it uses less digits than its factorization.

2012312313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33523591.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2012312313231 its reverse (1323132132102), we get a palindrome (3335444445333).

The spelling of 2012312313231 in words is "two trillion, twelve billion, three hundred twelve million, three hundred thirteen thousand, two hundred thirty-one".