1200122220102 has 32 divisors (see below), whose sum is σ = 2628690140160. Its totient is φ = 363009588000.

The previous prime is 1200122220083. The next prime is 1200122220151. The reversal of 1200122220102 is 2010222210021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130386774 + ... + 130395977.

It is an arithmetic number, because the mean of its divisors is an integer number (82146566880).

Almost surely, 2^{1200122220102} is an apocalyptic number.

1200122220102 is an abundant number, since it is smaller than the sum of its proper divisors (1428567920058).

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

1200122220102 is a wasteful number, since it uses less digits than its factorization.

1200122220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260782828.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1200122220102 its reverse (2010222210021), we get a palindrome (3210344430123).

The spelling of 1200122220102 in words is "one trillion, two hundred billion, one hundred twenty-two million, two hundred twenty thousand, one hundred two".