1201121201222 has 16 divisors (see below), whose sum is σ = 1835727500880. Its totient is φ = 589212672672.

The previous prime is 1201121201177. The next prime is 1201121201297. The reversal of 1201121201222 is 2221021211021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201121201222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4174229 + ... + 4452687.

It is an arithmetic number, because the mean of its divisors is an integer number (114732968805).

Almost surely, 2^{1201121201222} is an apocalyptic number.

1201121201222 is a deficient number, since it is larger than the sum of its proper divisors (634606299658).

1201121201222 is a wasteful number, since it uses less digits than its factorization.

1201121201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319207.

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

Adding to 1201121201222 its reverse (2221021211021), we get a palindrome (3422142412243).

The spelling of 1201121201222 in words is "one trillion, two hundred one billion, one hundred twenty-one million, two hundred one thousand, two hundred twenty-two".