1201012220222 has 16 divisors (see below), whose sum is σ = 1802231424000. Its totient is φ = 600268467960.

The previous prime is 1201012220209. The next prime is 1201012220249. The reversal of 1201012220222 is 2220222101021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201012220222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87029279 + ... + 87043077.

It is an arithmetic number, because the mean of its divisors is an integer number (112639464000).

Almost surely, 2^{1201012220222} is an apocalyptic number.

1201012220222 is a deficient number, since it is larger than the sum of its proper divisors (601219203778).

1201012220222 is a wasteful number, since it uses less digits than its factorization.

1201012220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27871.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1201012220222 its reverse (2220222101021), we get a palindrome (3421234321243).

The spelling of 1201012220222 in words is "one trillion, two hundred one billion, twelve million, two hundred twenty thousand, two hundred twenty-two".