1022200211212 has 12 divisors (see below), whose sum is σ = 1866626472816. Its totient is φ = 488878361840.

The previous prime is 1022200211101. The next prime is 1022200211239. The reversal of 1022200211212 is 2121120022201.

It is a happy 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, 5555435839 + ... + 5555436022.

It is an arithmetic number, because the mean of its divisors is an integer number (155552206068).

Almost surely, 2^{1022200211212} is an apocalyptic number.

It is an amenable number.

1022200211212 is a deficient number, since it is larger than the sum of its proper divisors (844426261604).

1022200211212 is a wasteful number, since it uses less digits than its factorization.

1022200211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110871888 (or 11110871886 counting only the distinct ones).

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

Adding to 1022200211212 its reverse (2121120022201), we get a palindrome (3143320233413).

The spelling of 1022200211212 in words is "one trillion, twenty-two billion, two hundred million, two hundred eleven thousand, two hundred twelve".