12221024002 has 16 divisors (see below), whose sum is σ = 20538528192. Its totient is φ = 5404875120.

The previous prime is 12221023979. The next prime is 12221024017. The reversal of 12221024002 is 20042012221.

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, 7505958 + ... + 7507585.

It is an arithmetic number, because the mean of its divisors is an integer number (1283658012).

Almost surely, 2^12221024002 is an apocalyptic number.

12221024002 is a deficient number, since it is larger than the sum of its proper divisors (8317504190).

12221024002 is a wasteful number, since it uses less digits than its factorization.

12221024002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15013593.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12221024002 its reverse (20042012221), we get a palindrome (32263036223).

The spelling of 12221024002 in words is "twelve billion, two hundred twenty-one million, twenty-four thousand, two".