2012121022219 has 72 divisors (see below), whose sum is σ = 2664632898288. Its totient is φ = 1502247600000.

The previous prime is 2012121022211. The next prime is 2012121022237. The reversal of 2012121022219 is 9122201212102.

It is a happy number.

It is not a de Polignac number, because 2012121022219 - 2³ = 2012121022211 is a prime.

It is a super-2 number, since 2×2012121022219² (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 = 2012121022193 and 2012121022202.

It is not an unprimeable number, because it can be changed into a prime (2012121022211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 52296649 + ... + 52335109.

It is an arithmetic number, because the mean of its divisors is an integer number (37008790254).

Almost surely, 2^{2012121022219} is an apocalyptic number.

2012121022219 is a deficient number, since it is larger than the sum of its proper divisors (652511876069).

2012121022219 is a wasteful number, since it uses less digits than its factorization.

2012121022219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38649 (or 38611 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 2012121022219 in words is "two trillion, twelve billion, one hundred twenty-one million, twenty-two thousand, two hundred nineteen".