20112310322312 has 16 divisors (see below), whose sum is σ = 40611395843340. Its totient is φ = 9282604764096.

The previous prime is 20112310322297. The next prime is 20112310322327. The reversal of 20112310322312 is 21322301321102.

It is an interprime number because it is at equal distance from previous prime (20112310322297) and next prime (20112310322327).

It can be written as a sum of positive squares in 2 ways, for example, as 19509659316676 + 602651005636 = 4416974^2 + 776306^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96693799523 + ... + 96693799730.

Almost surely, 2^{20112310322312} is an apocalyptic number.

It is an amenable number.

20112310322312 is an abundant number, since it is smaller than the sum of its proper divisors (20499085521028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20112310322312 is a wasteful number, since it uses less digits than its factorization.

20112310322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193387599272 (or 193387599268 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20112310322312 its reverse (21322301321102), we get a palindrome (41434611643414).

The spelling of 20112310322312 in words is "twenty trillion, one hundred twelve billion, three hundred ten million, three hundred twenty-two thousand, three hundred twelve".