12121101302222 has 8 divisors (see below), whose sum is σ = 19834529403672. Its totient is φ = 5509591501000.

The previous prime is 12121101302197. The next prime is 12121101302237. The reversal of 12121101302222 is 22220310112121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12121101302194 and 12121101302203.

It is a congruent 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, 275479575029 + ... + 275479575072.

It is an arithmetic number, because the mean of its divisors is an integer number (2479316175459).

Almost surely, 2^{12121101302222} is an apocalyptic number.

12121101302222 is a deficient number, since it is larger than the sum of its proper divisors (7713428101450).

12121101302222 is a wasteful number, since it uses less digits than its factorization.

12121101302222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550959150114.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12121101302222 its reverse (22220310112121), we get a palindrome (34341411414343).

The spelling of 12121101302222 in words is "twelve trillion, one hundred twenty-one billion, one hundred one million, three hundred two thousand, two hundred twenty-two".