2012122020919 has 2 divisors, whose sum is σ = 2012122020920. Its totient is φ = 2012122020918.

The previous prime is 2012122020899. The next prime is 2012122021001. The reversal of 2012122020919 is 9190202212102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012122020919 - 2³¹ = 2009974537271 is a prime.

It is a super-2 number, since 2×2012122020919² (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 (2012122020719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006061010459 + 1006061010460.

It is an arithmetic number, because the mean of its divisors is an integer number (1006061010460).

Almost surely, 2^{2012122020919} is an apocalyptic number.

2012122020919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012122020919 is an equidigital number, since it uses as much as digits as its factorization.

2012122020919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 2012122020919 in words is "two trillion, twelve billion, one hundred twenty-two million, twenty thousand, nine hundred nineteen".