1002112212212 has 12 divisors (see below), whose sum is σ = 1757533784580. Its totient is φ = 499959702336.

The previous prime is 1002112212197. The next prime is 1002112212317. The reversal of 1002112212212 is 2122122112001.

It can be written as a sum of positive squares in 2 ways, for example, as 587010339556 + 415101872656 = 766166^2 + 644284^2 .

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, 274098887 + ... + 274102542.

It is an arithmetic number, because the mean of its divisors is an integer number (146461148715).

Almost surely, 2^{1002112212212} is an apocalyptic number.

It is an amenable number.

1002112212212 is a deficient number, since it is larger than the sum of its proper divisors (755421572368).

1002112212212 is a wasteful number, since it uses less digits than its factorization.

1002112212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548201890 (or 548201888 counting only the distinct ones).

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

Adding to 1002112212212 its reverse (2122122112001), we get a palindrome (3124234324213).

The spelling of 1002112212212 in words is "one trillion, two billion, one hundred twelve million, two hundred twelve thousand, two hundred twelve".