112221211011212 has 48 divisors (see below), whose sum is σ = 206206574660352. Its totient is φ = 53336509512000.

The previous prime is 112221211011211. The next prime is 112221211011229. The reversal of 112221211011212 is 212110112122211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (112221211011211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4744718 + ... + 15714794.

It is an arithmetic number, because the mean of its divisors is an integer number (4295970305424).

Almost surely, 2^{112221211011212} is an apocalyptic number.

It is an amenable number.

112221211011212 is a deficient number, since it is larger than the sum of its proper divisors (93985363649140).

112221211011212 is a wasteful number, since it uses less digits than its factorization.

112221211011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10970798 (or 10970796 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 112221211011212 its reverse (212110112122211), we get a palindrome (324331323133423).

The spelling of 112221211011212 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred eleven million, eleven thousand, two hundred twelve".