12211201012120 has 64 divisors (see below), whose sum is σ = 30480964070400. Its totient is φ = 4365175082880.

The previous prime is 12211201012091. The next prime is 12211201012273. The reversal of 12211201012120 is 2121010211221.

It is a super-2 number, since 2×12211201012120² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211201012094 and 12211201012103.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 235166664 + ... + 235218583.

It is an arithmetic number, because the mean of its divisors is an integer number (476265063600).

Almost surely, 2^{12211201012120} is an apocalyptic number.

12211201012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211201012120 is an abundant number, since it is smaller than the sum of its proper divisors (18269763058280).

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

12211201012120 is a wasteful number, since it uses less digits than its factorization.

12211201012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470385328 (or 470385324 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12211201012120 its reverse (2121010211221), we get a palindrome (14332211223341).

The spelling of 12211201012120 in words is "twelve trillion, two hundred eleven billion, two hundred one million, twelve thousand, one hundred twenty".