20122212221002 has 8 divisors (see below), whose sum is σ = 30225890009700. Its totient is φ = 10046915551104.

The previous prime is 20122212220967. The next prime is 20122212221003. The reversal of 20122212221002 is 20012221222102.

It can be written as a sum of positive squares in 2 ways, for example, as 20087060095881 + 35152125121 = 4481859^2 + 187489^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20122212221003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7095277927 + ... + 7095280762.

Almost surely, 2^{20122212221002} is an apocalyptic number.

20122212221002 is a deficient number, since it is larger than the sum of its proper divisors (10103677788698).

20122212221002 is a wasteful number, since it uses less digits than its factorization.

20122212221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14190559400.

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

Adding to 20122212221002 its reverse (20012221222102), we get a palindrome (40134433443104).

It can be divided in two parts, 2012221222100 and 2, that added together give a palindrome (2012221222102).

The spelling of 20122212221002 in words is "twenty trillion, one hundred twenty-two billion, two hundred twelve million, two hundred twenty-one thousand, two".