12212222121102 has 8 divisors (see below), whose sum is σ = 24424444242216. Its totient is φ = 4070740707032.

The previous prime is 12212222121089. The next prime is 12212222121103. The reversal of 12212222121102 is 20112122221221.

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

12212222121102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212222121103) 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, 1017685176753 + ... + 1017685176764.

It is an arithmetic number, because the mean of its divisors is an integer number (3053055530277).

Almost surely, 2^{12212222121102} is an apocalyptic number.

12212222121102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12212222121102 is a wasteful number, since it uses less digits than its factorization.

12212222121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035370353522.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12212222121102 its reverse (20112122221221), we get a palindrome (32324344342323).

The spelling of 12212222121102 in words is "twelve trillion, two hundred twelve billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred two".