220120001222 has 16 divisors (see below), whose sum is σ = 381384387792. Its totient is φ = 94168984320.

The previous prime is 220120001221. The next prime is 220120001267. The reversal of 220120001222 is 222100021022.

It is a junction number, because it is equal to n+sod(n) for n = 220120001197 and 220120001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220120001221) 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, 294277703 + ... + 294278450.

It is an arithmetic number, because the mean of its divisors is an integer number (23836524237).

Almost surely, 2^220120001222 is an apocalyptic number.

220120001222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220120001222 is a deficient number, since it is larger than the sum of its proper divisors (161264386570).

220120001222 is a wasteful number, since it uses less digits than its factorization.

220120001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588556183.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220120001222 its reverse (222100021022), we get a palindrome (442220022244).

The spelling of 220120001222 in words is "two hundred twenty billion, one hundred twenty million, one thousand, two hundred twenty-two".