2120220312122 has 16 divisors (see below), whose sum is σ = 3470130955872. Its totient is φ = 963547745520.

The previous prime is 2120220312103. The next prime is 2120220312143. The reversal of 2120220312122 is 2212130220212.

It is a super-3 number, since 3×2120220312122³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2120220312094 and 2120220312103.

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 7 ways as a sum of consecutive naturals, for example, 9323093 + ... + 9547800.

It is an arithmetic number, because the mean of its divisors is an integer number (216883184742).

Almost surely, 2^{2120220312122} is an apocalyptic number.

2120220312122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2120220312122 is a deficient number, since it is larger than the sum of its proper divisors (1349910643750).

2120220312122 is a wasteful number, since it uses less digits than its factorization.

2120220312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18876013.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2120220312122 its reverse (2212130220212), we get a palindrome (4332350532334).

It can be divided in two parts, 2120220 and 312122, that added together give a palindrome (2432342).

The spelling of 2120220312122 in words is "two trillion, one hundred twenty billion, two hundred twenty million, three hundred twelve thousand, one hundred twenty-two".