1201111304204 has 120 divisors (see below), whose sum is σ = 2512167736848. Its totient is φ = 502186245120.

The previous prime is 1201111304179. The next prime is 1201111304207. The reversal of 1201111304204 is 4024031111021.

It is not an unprimeable number, because it can be changed into a prime (1201111304207) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 562053824 + ... + 562055960.

Almost surely, 2^{1201111304204} is an apocalyptic number.

1201111304204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201111304204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1256083868424).

1201111304204 is an abundant number, since it is smaller than the sum of its proper divisors (1311056432644).

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

1201111304204 is a wasteful number, since it uses less digits than its factorization.

1201111304204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573 (or 3550 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1201111304204 its reverse (4024031111021), we get a palindrome (5225142415225).

The spelling of 1201111304204 in words is "one trillion, two hundred one billion, one hundred eleven million, three hundred four thousand, two hundred four".