12021211000222 has 4 divisors (see below), whose sum is σ = 18031816500336. Its totient is φ = 6010605500110.

The previous prime is 12021211000213. The next prime is 12021211000307. The reversal of 12021211000222 is 22200011212021.

It is a happy number.

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 = 12021211000196 and 12021211000205.

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, 3005302750054 + ... + 3005302750057.

It is an arithmetic number, because the mean of its divisors is an integer number (4507954125084).

Almost surely, 2^{12021211000222} is an apocalyptic number.

12021211000222 is a deficient number, since it is larger than the sum of its proper divisors (6010605500114).

12021211000222 is an equidigital number, since it uses as much as digits as its factorization.

12021211000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010605500113.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12021211000222 its reverse (22200011212021), we get a palindrome (34221222212243).

The spelling of 12021211000222 in words is "twelve trillion, twenty-one billion, two hundred eleven million, two hundred twenty-two", and thus it is an aban number.