1012212101222 has 8 divisors (see below), whose sum is σ = 1735220744976. Its totient is φ = 433805186232.

The previous prime is 1012212101221. The next prime is 1012212101233. The reversal of 1012212101222 is 2221012122101.

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 1012212101222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012212101221) 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, 36150432173 + ... + 36150432200.

It is an arithmetic number, because the mean of its divisors is an integer number (216902593122).

Almost surely, 2^{1012212101222} is an apocalyptic number.

1012212101222 is a deficient number, since it is larger than the sum of its proper divisors (723008643754).

1012212101222 is an equidigital number, since it uses as much as digits as its factorization.

1012212101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72300864382.

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

Adding to 1012212101222 its reverse (2221012122101), we get a palindrome (3233224223323).

The spelling of 1012212101222 in words is "one trillion, twelve billion, two hundred twelve million, one hundred one thousand, two hundred twenty-two".