12021020332 has 12 divisors (see below), whose sum is σ = 21059883936. Its totient is φ = 6003910640.

The previous prime is 12021020329. The next prime is 12021020351. The reversal of 12021020332 is 23302012021.

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, 1645783 + ... + 1653070.

It is an arithmetic number, because the mean of its divisors is an integer number (1754990328).

Almost surely, 2^12021020332 is an apocalyptic number.

It is an amenable number.

12021020332 is a deficient number, since it is larger than the sum of its proper divisors (9038863604).

12021020332 is a wasteful number, since it uses less digits than its factorization.

12021020332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299768 (or 3299766 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12021020332 its reverse (23302012021), we get a palindrome (35323032353).

The spelling of 12021020332 in words is "twelve billion, twenty-one million, twenty thousand, three hundred thirty-two".