12221440033402 has 16 divisors (see below), whose sum is σ = 19129305539520. Its totient is φ = 5845007493952.

The previous prime is 12221440033391. The next prime is 12221440033417. The reversal of 12221440033402 is 20433004412221.

12221440033402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10859778 + ... + 11932210.

It is an arithmetic number, because the mean of its divisors is an integer number (1195581596220).

Almost surely, 2^{12221440033402} is an apocalyptic number.

12221440033402 is a deficient number, since it is larger than the sum of its proper divisors (6907865506118).

12221440033402 is a wasteful number, since it uses less digits than its factorization.

12221440033402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320197.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12221440033402 its reverse (20433004412221), we get a palindrome (32654444445623).

The spelling of 12221440033402 in words is "twelve trillion, two hundred twenty-one billion, four hundred forty million, thirty-three thousand, four hundred two".