12121222010222 has 8 divisors (see below), whose sum is σ = 19580435555016. Its totient is φ = 5594410158552.

The previous prime is 12121222010197. The next prime is 12121222010269. The reversal of 12121222010222 is 22201022212121.

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 = 12121222010194 and 12121222010203.

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, 233100423248 + ... + 233100423299.

It is an arithmetic number, because the mean of its divisors is an integer number (2447554444377).

Almost surely, 2^{12121222010222} is an apocalyptic number.

12121222010222 is a deficient number, since it is larger than the sum of its proper divisors (7459213544794).

12121222010222 is a wasteful number, since it uses less digits than its factorization.

12121222010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466200846562.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12121222010222 its reverse (22201022212121), we get a palindrome (34322244222343).

The spelling of 12121222010222 in words is "twelve trillion, one hundred twenty-one billion, two hundred twenty-two million, ten thousand, two hundred twenty-two".