2012302131223 has 4 divisors (see below), whose sum is σ = 2012603425840. Its totient is φ = 2012000836608.

The previous prime is 2012302131181. The next prime is 2012302131247. The reversal of 2012302131223 is 3221312032102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012302131223 is a prime.

It is a super-2 number, since 2×2012302131223² (a number of 25 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 = 2012302131194 and 2012302131203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012302101223) 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, 150637290 + ... + 150650647.

It is an arithmetic number, because the mean of its divisors is an integer number (503150856460).

Almost surely, 2^{2012302131223} is an apocalyptic number.

2012302131223 is a deficient number, since it is larger than the sum of its proper divisors (301294617).

2012302131223 is an equidigital number, since it uses as much as digits as its factorization.

2012302131223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301294616.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2012302131223 its reverse (3221312032102), we get a palindrome (5233614163325).

The spelling of 2012302131223 in words is "two trillion, twelve billion, three hundred two million, one hundred thirty-one thousand, two hundred twenty-three".