2012331223501 has 2 divisors, whose sum is σ = 2012331223502. Its totient is φ = 2012331223500.

The previous prime is 2012331223457. The next prime is 2012331223517. The reversal of 2012331223501 is 1053221332102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1368443738025 + 643887485476 = 1169805^2 + 802426^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012331223501 - 2¹⁵ = 2012331190733 is a prime.

It is a super-2 number, since 2×2012331223501² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012331223531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006165611750 + 1006165611751.

It is an arithmetic number, because the mean of its divisors is an integer number (1006165611751).

Almost surely, 2^{2012331223501} is an apocalyptic number.

It is an amenable number.

2012331223501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012331223501 is an equidigital number, since it uses as much as digits as its factorization.

2012331223501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 2012331223501 its reverse (1053221332102), we get a palindrome (3065552555603).

The spelling of 2012331223501 in words is "two trillion, twelve billion, three hundred thirty-one million, two hundred twenty-three thousand, five hundred one".