1200001222132 has 12 divisors (see below), whose sum is σ = 2107422642976. Its totient is φ = 597880467000.

The previous prime is 1200001222127. The next prime is 1200001222169. The reversal of 1200001222132 is 2312221000021.

It is a happy number.

It is a congruent 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, 530034744 + ... + 530037007.

Almost surely, 2^{1200001222132} is an apocalyptic number.

It is an amenable number.

1200001222132 is a deficient number, since it is larger than the sum of its proper divisors (907421420844).

1200001222132 is a wasteful number, since it uses less digits than its factorization.

1200001222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060072038 (or 1060072036 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1200001222132 its reverse (2312221000021), we get a palindrome (3512222222153).

The spelling of 1200001222132 in words is "one trillion, two hundred billion, one million, two hundred twenty-two thousand, one hundred thirty-two".