12211020002120 has 32 divisors (see below), whose sum is σ = 27479901379320. Its totient is φ = 4883500200960.

The previous prime is 12211020002119. The next prime is 12211020002143. The reversal of 12211020002120 is 2120002011221.

It can be written as a sum of positive squares in 4 ways, for example, as 11883284361796 + 327735640324 = 3447214^2 + 572482^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12211020002095 and 12211020002104.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 28150817 + ... + 28581296.

Almost surely, 2^{12211020002120} is an apocalyptic number.

12211020002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211020002120 is an abundant number, since it is smaller than the sum of its proper divisors (15268881377200).

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

12211020002120 is a wasteful number, since it uses less digits than its factorization.

12211020002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56737505 (or 56737501 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12211020002120 its reverse (2120002011221), we get a palindrome (14331022013341).

The spelling of 12211020002120 in words is "twelve trillion, two hundred eleven billion, twenty million, two thousand, one hundred twenty".