12100122012212 has 24 divisors (see below), whose sum is σ = 23590423554600. Its totient is φ = 5392096811136.

The previous prime is 12100122012191. The next prime is 12100122012239. The reversal of 12100122012212 is 21221022100121.

It can be written as a sum of positive squares in 4 ways, for example, as 579297565456 + 11520824446756 = 761116^2 + 3394234^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4011975287 + ... + 4011978302.

It is an arithmetic number, because the mean of its divisors is an integer number (982934314775).

Almost surely, 2^{12100122012212} is an apocalyptic number.

It is an amenable number.

12100122012212 is a deficient number, since it is larger than the sum of its proper divisors (11490301542388).

12100122012212 is a wasteful number, since it uses less digits than its factorization.

12100122012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8023953635 (or 8023953633 counting only the distinct ones).

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

Adding to 12100122012212 its reverse (21221022100121), we get a palindrome (33321144112333).

The spelling of 12100122012212 in words is "twelve trillion, one hundred billion, one hundred twenty-two million, twelve thousand, two hundred twelve".