12221331001112 has 16 divisors (see below), whose sum is σ = 23041597815600. Its totient is φ = 6076904916960.

The previous prime is 12221331001021. The next prime is 12221331001141. The reversal of 12221331001112 is 21110013312221.

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, 4220071412 + ... + 4220074307.

It is an arithmetic number, because the mean of its divisors is an integer number (1440099863475).

Almost surely, 2^{12221331001112} is an apocalyptic number.

It is an amenable number.

12221331001112 is a deficient number, since it is larger than the sum of its proper divisors (10820266814488).

12221331001112 is a wasteful number, since it uses less digits than its factorization.

12221331001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8440145906 (or 8440145902 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12221331001112 its reverse (21110013312221), we get a palindrome (33331344313333).

The spelling of 12221331001112 in words is "twelve trillion, two hundred twenty-one billion, three hundred thirty-one million, one thousand, one hundred twelve".