12101000201212 has 48 divisors (see below), whose sum is σ = 23119948908000. Its totient is φ = 5508137714688.

The previous prime is 12101000201207. The next prime is 12101000201273. The reversal of 12101000201212 is 21210200010121.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 12101000201192 and 12101000201201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51124128 + ... + 51360280.

It is an arithmetic number, because the mean of its divisors is an integer number (481665602250).

Almost surely, 2^{12101000201212} is an apocalyptic number.

It is an amenable number.

12101000201212 is a deficient number, since it is larger than the sum of its proper divisors (11018948706788).

12101000201212 is a wasteful number, since it uses less digits than its factorization.

12101000201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249742 (or 249740 counting only the distinct ones).

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

Adding to 12101000201212 its reverse (21210200010121), we get a palindrome (33311200211333).

The spelling of 12101000201212 in words is "twelve trillion, one hundred one billion, two hundred one thousand, two hundred twelve".