12021011011222 has 4 divisors (see below), whose sum is σ = 18031516516836. Its totient is φ = 6010505505610.

The previous prime is 12021011011201. The next prime is 12021011011231. The reversal of 12021011011222 is 22211011012021.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 12021011011196 and 12021011011205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005252752804 + ... + 3005252752807.

It is an arithmetic number, because the mean of its divisors is an integer number (4507879129209).

Almost surely, 2^{12021011011222} is an apocalyptic number.

12021011011222 is a deficient number, since it is larger than the sum of its proper divisors (6010505505614).

12021011011222 is an equidigital number, since it uses as much as digits as its factorization.

12021011011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010505505613.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12021011011222 its reverse (22211011012021), we get a palindrome (34232022023243).

The spelling of 12021011011222 in words is "twelve trillion, twenty-one billion, eleven million, eleven thousand, two hundred twenty-two".