1200120102200 has 96 divisors (see below), whose sum is σ = 2926037833200. Its totient is φ = 457145256960.

The previous prime is 1200120102109. The next prime is 1200120102211. The reversal of 1200120102200 is 22010210021.

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 23 ways as a sum of consecutive naturals, for example, 993842 + ... + 1840641.

Almost surely, 2^{1200120102200} is an apocalyptic number.

1200120102200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200120102200 is an abundant number, since it is smaller than the sum of its proper divisors (1725917731000).

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

1200120102200 is a wasteful number, since it uses less digits than its factorization.

1200120102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834601 (or 2834592 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1200120102200 its reverse (22010210021), we get a palindrome (1222130312221).

The spelling of 1200120102200 in words is "one trillion, two hundred billion, one hundred twenty million, one hundred two thousand, two hundred".