12202211220220 has 72 divisors (see below), whose sum is σ = 29812128071040. Its totient is φ = 4183072225920.

The previous prime is 12202211220209. The next prime is 12202211220239. The reversal of 12202211220220 is 2202211220221.

It is a super-2 number, since 2×12202211220220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 6781941 + ... + 8390419.

It is an arithmetic number, because the mean of its divisors is an integer number (414057334320).

Almost surely, 2^{12202211220220} is an apocalyptic number.

12202211220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202211220220 is an abundant number, since it is smaller than the sum of its proper divisors (17609916850820).

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

12202211220220 is a wasteful number, since it uses less digits than its factorization.

12202211220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616243 (or 1616234 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12202211220220 its reverse (2202211220221), we get a palindrome (14404422440441).

Subtracting from 12202211220220 its reverse (2202211220221), we obtain a palindrome (9999999999999).

The spelling of 12202211220220 in words is "twelve trillion, two hundred two billion, two hundred eleven million, two hundred twenty thousand, two hundred twenty".