2012121367 has 2 divisors, whose sum is σ = 2012121368. Its totient is φ = 2012121366.

The previous prime is 2012121323. The next prime is 2012121401. The reversal of 2012121367 is 7631212102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012121367 - 2²⁷ = 1877903639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012121467) 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, 1006060683 + 1006060684.

It is an arithmetic number, because the mean of its divisors is an integer number (1006060684).

Almost surely, 2^2012121367 is an apocalyptic number.

2012121367 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012121367 is an equidigital number, since it uses as much as digits as its factorization.

2012121367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2012121367 is about 44856.6758353759. The cubic root of 2012121367 is about 1262.4612525702.

Adding to 2012121367 its reverse (7631212102), we get a palindrome (9643333469).

The spelling of 2012121367 in words is "two billion, twelve million, one hundred twenty-one thousand, three hundred sixty-seven".