1200211011222 has 16 divisors (see below), whose sum is σ = 2413684024752. Its totient is φ = 397860003360.

The previous prime is 1200211011221. The next prime is 1200211011271. The reversal of 1200211011222 is 2221101120021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200211011221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552582253 + ... + 552584424.

It is an arithmetic number, because the mean of its divisors is an integer number (150855251547).

Almost surely, 2^{1200211011222} is an apocalyptic number.

1200211011222 is an abundant number, since it is smaller than the sum of its proper divisors (1213473013530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200211011222 is a wasteful number, since it uses less digits than its factorization.

1200211011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105166863.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1200211011222 its reverse (2221101120021), we get a palindrome (3421312131243).

The spelling of 1200211011222 in words is "one trillion, two hundred billion, two hundred eleven million, eleven thousand, two hundred twenty-two".