20120021000222 has 64 divisors (see below), whose sum is σ = 35691584947200. Its totient is φ = 8386002554880.

The previous prime is 20120021000213. The next prime is 20120021000239. The reversal of 20120021000222 is 22200012002102.

It is a junction number, because it is equal to n+sod(n) for n = 20120021000197 and 20120021000206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74325854 + ... + 74596062.

It is an arithmetic number, because the mean of its divisors is an integer number (557681014800).

Almost surely, 2^{20120021000222} is an apocalyptic number.

20120021000222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20120021000222 is a deficient number, since it is larger than the sum of its proper divisors (15571563946978).

20120021000222 is a wasteful number, since it uses less digits than its factorization.

20120021000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271961.

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

Adding to 20120021000222 its reverse (22200012002102), we get a palindrome (42320033002324).

The spelling of 20120021000222 in words is "twenty trillion, one hundred twenty billion, twenty-one million, two hundred twenty-two", and thus it is an aban number.