12220211220010 has 8 divisors (see below), whose sum is σ = 21996380196036. Its totient is φ = 4888084488000.

The previous prime is 12220211219999. The next prime is 12220211220073. The reversal of 12220211220010 is 1002211202221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11682457397521 + 537753822489 = 3417961^2 + 733317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 611010560991 + ... + 611010561010.

Almost surely, 2^{12220211220010} is an apocalyptic number.

12220211220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220211220010 is a deficient number, since it is larger than the sum of its proper divisors (9776168976026).

12220211220010 is a wasteful number, since it uses less digits than its factorization.

12220211220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222021122008.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12220211220010 its reverse (1002211202221), we get a palindrome (13222422422231).

The spelling of 12220211220010 in words is "twelve trillion, two hundred twenty billion, two hundred eleven million, two hundred twenty thousand, ten".