12101210222012 has 48 divisors (see below), whose sum is σ = 21548815948800. Its totient is φ = 5945213951040.

The previous prime is 12101210222009. The next prime is 12101210222081. The reversal of 12101210222012 is 21022201210121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55592378 + ... + 55809630.

It is an arithmetic number, because the mean of its divisors is an integer number (448933665600).

Almost surely, 2^{12101210222012} is an apocalyptic number.

It is an amenable number.

12101210222012 is a deficient number, since it is larger than the sum of its proper divisors (9447605726788).

12101210222012 is a wasteful number, since it uses less digits than its factorization.

12101210222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218186 (or 218184 counting only the distinct ones).

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

Adding to 12101210222012 its reverse (21022201210121), we get a palindrome (33123411432133).

The spelling of 12101210222012 in words is "twelve trillion, one hundred one billion, two hundred ten million, two hundred twenty-two thousand, twelve".