12200222221020 has 60 divisors (see below), whose sum is σ = 38272548972504. Its totient is φ = 3253392591840.

The previous prime is 12200222221001. The next prime is 12200222221021. The reversal of 12200222221020 is 2012222200221.

12200222221020 is a `hidden beast` number, since 1 + 2 + 200 + 222 + 221 + 0 + 20 = 666.

12200222221020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12200222220984 and 12200222221002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200222221021) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3765499066 + ... + 3765502305.

Almost surely, 2^{12200222221020} is an apocalyptic number.

12200222221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200222221020 is an abundant number, since it is smaller than the sum of its proper divisors (26072326751484).

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

12200222221020 is a wasteful number, since it uses less digits than its factorization.

12200222221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7531001392 (or 7531001381 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12200222221020 its reverse (2012222200221), we get a palindrome (14212444421241).

The spelling of 12200222221020 in words is "twelve trillion, two hundred billion, two hundred twenty-two million, two hundred twenty-one thousand, twenty".