1212020111222 has 8 divisors (see below), whose sum is σ = 1820780592672. Its totient is φ = 605093247000.

The previous prime is 1212020111219. The next prime is 1212020111251. The reversal of 1212020111222 is 2221110202121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1212020111222.

It is a congruent number.

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, 458402654 + ... + 458405297.

It is an arithmetic number, because the mean of its divisors is an integer number (227597574084).

Almost surely, 2^{1212020111222} is an apocalyptic number.

1212020111222 is a deficient number, since it is larger than the sum of its proper divisors (608760481450).

1212020111222 is an equidigital number, since it uses as much as digits as its factorization.

1212020111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916808614.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1212020111222 its reverse (2221110202121), we get a palindrome (3433130313343).

The spelling of 1212020111222 in words is "one trillion, two hundred twelve billion, twenty million, one hundred eleven thousand, two hundred twenty-two".