12010221111220 has 24 divisors (see below), whose sum is σ = 25576696228608. Its totient is φ = 4736425226400.

The previous prime is 12010221111197. The next prime is 12010221111221. The reversal of 12010221111220 is 2211112201021.

It is a super-2 number, since 2×12010221111220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12010221111194 and 12010221111203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010221111221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4228949676 + ... + 4228952515.

It is an arithmetic number, because the mean of its divisors is an integer number (1065695676192).

Almost surely, 2^{12010221111220} is an apocalyptic number.

12010221111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010221111220 is an abundant number, since it is smaller than the sum of its proper divisors (13566475117388).

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

12010221111220 is a wasteful number, since it uses less digits than its factorization.

12010221111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8457902271 (or 8457902269 counting only the distinct ones).

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

Adding to 12010221111220 its reverse (2211112201021), we get a palindrome (14221333312241).

The spelling of 12010221111220 in words is "twelve trillion, ten billion, two hundred twenty-one million, one hundred eleven thousand, two hundred twenty".