220012212122210 has 8 divisors (see below), whose sum is σ = 396021981819996. Its totient is φ = 88004884848880.

The previous prime is 220012212122201. The next prime is 220012212122303. The reversal of 220012212122210 is 12221212210022.

It can be written as a sum of positive squares in 2 ways, for example, as 187318940975401 + 32693271146809 = 13686451^2 + 5717803^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11000610606101 + ... + 11000610606120.

Almost surely, 2^{220012212122210} is an apocalyptic number.

220012212122210 is a deficient number, since it is larger than the sum of its proper divisors (176009769697786).

220012212122210 is a wasteful number, since it uses less digits than its factorization.

220012212122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22001221212228.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220012212122210 its reverse (12221212210022), we get a palindrome (232233424332232).

The spelling of 220012212122210 in words is "two hundred twenty trillion, twelve billion, two hundred twelve million, one hundred twenty-two thousand, two hundred ten".