12201100010212 has 24 divisors (see below), whose sum is σ = 21488999616504. Its totient is φ = 6061505421312.

The previous prime is 12201100010159. The next prime is 12201100010213. The reversal of 12201100010212 is 21201000110221.

It can be written as a sum of positive squares in 4 ways, for example, as 6268533719616 + 5932566290596 = 2503704^2 + 2435686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12201100010192 and 12201100010201.

It is not an unprimeable number, because it can be changed into a prime (12201100010213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14539963 + ... + 15356194.

It is an arithmetic number, because the mean of its divisors is an integer number (895374984021).

Almost surely, 2^{12201100010212} is an apocalyptic number.

It is an amenable number.

12201100010212 is a deficient number, since it is larger than the sum of its proper divisors (9287899606292).

12201100010212 is a wasteful number, since it uses less digits than its factorization.

12201100010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29896815 (or 29896813 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12201100010212 its reverse (21201000110221), we get a palindrome (33402100120433).

The spelling of 12201100010212 in words is "twelve trillion, two hundred one billion, one hundred million, ten thousand, two hundred twelve".