12100221211012 has 48 divisors (see below), whose sum is σ = 24316969723200. Its totient is φ = 5210463922560.

The previous prime is 12100221210971. The next prime is 12100221211037. The reversal of 12100221211012 is 21011212200121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29905914 + ... + 30307822.

It is an arithmetic number, because the mean of its divisors is an integer number (506603535900).

Almost surely, 2^{12100221211012} is an apocalyptic number.

It is an amenable number.

12100221211012 is an abundant number, since it is smaller than the sum of its proper divisors (12216748512188).

12100221211012 is a wasteful number, since it uses less digits than its factorization.

12100221211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437956 (or 437954 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12100221211012 its reverse (21011212200121), we get a palindrome (33111433411133).

The spelling of 12100221211012 in words is "twelve trillion, one hundred billion, two hundred twenty-one million, two hundred eleven thousand, twelve".