1201101212200 has 24 divisors (see below), whose sum is σ = 2792560318830. Its totient is φ = 480440484800.

The previous prime is 1201101212167. The next prime is 1201101212231. The reversal of 1201101212200 is 22121011021.

It can be written as a sum of positive squares in 3 ways, for example, as 1114084472004 + 87016740196 = 1055502^2 + 294986^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3002752831 + ... + 3002753230.

Almost surely, 2^{1201101212200} is an apocalyptic number.

1201101212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201101212200 is an abundant number, since it is smaller than the sum of its proper divisors (1591459106630).

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

1201101212200 is a wasteful number, since it uses less digits than its factorization.

1201101212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005506077 (or 6005506068 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201101212200 its reverse (22121011021), we get a palindrome (1223222223221).

The spelling of 1201101212200 in words is "one trillion, two hundred one billion, one hundred one million, two hundred twelve thousand, two hundred".