12011020322 has 32 divisors (see below), whose sum is σ = 21078807552. Its totient is φ = 5025568464.

The previous prime is 12011020309. The next prime is 12011020349. The reversal of 12011020322 is 22302011021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12011020297 and 12011020306.

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, 2178293 + ... + 2183799.

It is an arithmetic number, because the mean of its divisors is an integer number (658712736).

Almost surely, 2^12011020322 is an apocalyptic number.

12011020322 is a deficient number, since it is larger than the sum of its proper divisors (9067787230).

12011020322 is a wasteful number, since it uses less digits than its factorization.

12011020322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9182.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12011020322 its reverse (22302011021), we get a palindrome (34313031343).

The spelling of 12011020322 in words is "twelve billion, eleven million, twenty thousand, three hundred twenty-two".