12101210112212 has 12 divisors (see below), whose sum is σ = 22806126750036. Its totient is φ = 5585173897920.

The previous prime is 12101210112209. The next prime is 12101210112221. The reversal of 12101210112212 is 21221101210121.

It can be written as a sum of positive squares in 2 ways, for example, as 830861418256 + 11270348693956 = 911516^2 + 3357134^2 .

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, 116357789489 + ... + 116357789592.

It is an arithmetic number, because the mean of its divisors is an integer number (1900510562503).

Almost surely, 2^{12101210112212} is an apocalyptic number.

It is an amenable number.

12101210112212 is a deficient number, since it is larger than the sum of its proper divisors (10704916637824).

12101210112212 is a wasteful number, since it uses less digits than its factorization.

12101210112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232715579098 (or 232715579096 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12101210112212 its reverse (21221101210121), we get a palindrome (33322311322333).

The spelling of 12101210112212 in words is "twelve trillion, one hundred one billion, two hundred ten million, one hundred twelve thousand, two hundred twelve".