1201212201200 has 120 divisors (see below), whose sum is σ = 3313966523520. Its totient is φ = 413814700800.

The previous prime is 1201212201193. The next prime is 1201212201209. The reversal of 1201212201200 is 21022121021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201212201209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7100684 + ... + 7267883.

It is an arithmetic number, because the mean of its divisors is an integer number (27616387696).

Almost surely, 2^{1201212201200} is an apocalyptic number.

1201212201200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201212201200 is an abundant number, since it is smaller than the sum of its proper divisors (2112754322320).

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

1201212201200 is a wasteful number, since it uses less digits than its factorization.

1201212201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14368615 (or 14368604 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1201212201200 its reverse (21022121021), we get a palindrome (1222234322221).

The spelling of 1201212201200 in words is "one trillion, two hundred one billion, two hundred twelve million, two hundred one thousand, two hundred".