2120000001222 has 64 divisors (see below), whose sum is σ = 4452127416000. Its totient is φ = 672113164800.

The previous prime is 2120000001199. The next prime is 2120000001233. The reversal of 2120000001222 is 2221000000212.

It is a junction number, because it is equal to n+sod(n) for n = 2120000001198 and 2120000001207.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3155904 + ... + 3768252.

It is an arithmetic number, because the mean of its divisors is an integer number (69564490875).

Almost surely, 2^{2120000001222} is an apocalyptic number.

2120000001222 is an abundant number, since it is smaller than the sum of its proper divisors (2332127414778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120000001222 is a wasteful number, since it uses less digits than its factorization.

2120000001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612681.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2120000001222 its reverse (2221000000212), we get a palindrome (4341000001434).

The spelling of 2120000001222 in words is "two trillion, one hundred twenty billion, one thousand, two hundred twenty-two".