1200102201200 has 60 divisors (see below), whose sum is σ = 3295137765840. Its totient is φ = 411463610880.

The previous prime is 1200102201191. The next prime is 1200102201203. The reversal of 1200102201200 is 21022010021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200102201203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214301165 + ... + 214306764.

It is an arithmetic number, because the mean of its divisors is an integer number (54918962764).

Almost surely, 2^{1200102201200} is an apocalyptic number.

1200102201200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200102201200 is an abundant number, since it is smaller than the sum of its proper divisors (2095035564640).

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

1200102201200 is a wasteful number, since it uses less digits than its factorization.

1200102201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428607954 (or 428607943 counting only the distinct ones).

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

Adding to 1200102201200 its reverse (21022010021), we get a palindrome (1221124211221).

The spelling of 1200102201200 in words is "one trillion, two hundred billion, one hundred two million, two hundred one thousand, two hundred".