12021021220322 has 8 divisors (see below), whose sum is σ = 18103370603472. Its totient is φ = 5986564352500.

The previous prime is 12021021220301. The next prime is 12021021220331. The reversal of 12021021220322 is 22302212012021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12021021220294 and 12021021220303.

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, 11973128204 + ... + 11973129207.

It is an arithmetic number, because the mean of its divisors is an integer number (2262921325434).

Almost surely, 2^{12021021220322} is an apocalyptic number.

12021021220322 is a deficient number, since it is larger than the sum of its proper divisors (6082349383150).

12021021220322 is a wasteful number, since it uses less digits than its factorization.

12021021220322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23946257664.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12021021220322 its reverse (22302212012021), we get a palindrome (34323233232343).

The spelling of 12021021220322 in words is "twelve trillion, twenty-one billion, twenty-one million, two hundred twenty thousand, three hundred twenty-two".