1212102011222 has 8 divisors (see below), whose sum is σ = 1818325238400. Its totient is φ = 605993598424.

The previous prime is 1212102011221. The next prime is 1212102011227. The reversal of 1212102011222 is 2221102012121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1212102011222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212102011221) 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, 28677197 + ... + 28719432.

It is an arithmetic number, because the mean of its divisors is an integer number (227290654800).

Almost surely, 2^{1212102011222} is an apocalyptic number.

1212102011222 is a deficient number, since it is larger than the sum of its proper divisors (606223227178).

1212102011222 is a wasteful number, since it uses less digits than its factorization.

1212102011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57407190.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1212102011222 its reverse (2221102012121), we get a palindrome (3433204023343).

The spelling of 1212102011222 in words is "one trillion, two hundred twelve billion, one hundred two million, eleven thousand, two hundred twenty-two".