1201200001222 has 32 divisors (see below), whose sum is σ = 1950815430144. Its totient is φ = 551424931200.

The previous prime is 1201200001187. The next prime is 1201200001237. The reversal of 1201200001222 is 2221000021021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62745772 + ... + 62764912.

It is an arithmetic number, because the mean of its divisors is an integer number (60962982192).

Almost surely, 2^{1201200001222} is an apocalyptic number.

1201200001222 is a deficient number, since it is larger than the sum of its proper divisors (749615428922).

1201200001222 is a wasteful number, since it uses less digits than its factorization.

1201200001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31984.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1201200001222 its reverse (2221000021021), we get a palindrome (3422200022243).

The spelling of 1201200001222 in words is "one trillion, two hundred one billion, two hundred million, one thousand, two hundred twenty-two".