12102222020212 has 12 divisors (see below), whose sum is σ = 21180732021540. Its totient is φ = 6050584299776.

The previous prime is 12102222020197. The next prime is 12102222020237. The reversal of 12102222020212 is 21202022220121.

It can be written as a sum of positive squares in 2 ways, for example, as 4357389054096 + 7744832966116 = 2087436^2 + 2782954^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12102222020212.

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, 131625883 + ... + 131717794.

It is an arithmetic number, because the mean of its divisors is an integer number (1765061001795).

Almost surely, 2^{12102222020212} is an apocalyptic number.

It is an amenable number.

12102222020212 is a deficient number, since it is larger than the sum of its proper divisors (9078510001328).

12102222020212 is a wasteful number, since it uses less digits than its factorization.

12102222020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263355170 (or 263355168 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12102222020212 its reverse (21202022220121), we get a palindrome (33304244240333).

The spelling of 12102222020212 in words is "twelve trillion, one hundred two billion, two hundred twenty-two million, twenty thousand, two hundred twelve".