12021332102 has 32 divisors (see below), whose sum is σ = 19906133184. Its totient is φ = 5409331200.

The previous prime is 12021332047. The next prime is 12021332149. The reversal of 12021332102 is 20123312021.

It is a congruent number.

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, 2147327 + ... + 2152917.

It is an arithmetic number, because the mean of its divisors is an integer number (622066662).

Almost surely, 2^12021332102 is an apocalyptic number.

12021332102 is a deficient number, since it is larger than the sum of its proper divisors (7884801082).

12021332102 is a wasteful number, since it uses less digits than its factorization.

12021332102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7664.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12021332102 its reverse (20123312021), we get a palindrome (32144644123).

The spelling of 12021332102 in words is "twelve billion, twenty-one million, three hundred thirty-two thousand, one hundred two".