1204943102028 has 18 divisors (see below), whose sum is σ = 3045828396884. Its totient is φ = 401647700664.

The previous prime is 1204943102021. The next prime is 1204943102087. The reversal of 1204943102028 is 8202013494021.

1204943102028 is a `hidden beast` number, since 12 + 0 + 4 + 9 + 431 + 0 + 202 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 33470641723 = 1204943102028 / (1 + 2 + 0 + 4 + 9 + 4 + 3 + 1 + 0 + 2 + 0 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 1204943101983 and 1204943102001.

It is not an unprimeable number, because it can be changed into a prime (1204943102021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16735320826 + ... + 16735320897.

Almost surely, 2^{1204943102028} is an apocalyptic number.

1204943102028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1204943102028 is an abundant number, since it is smaller than the sum of its proper divisors (1840885294856).

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

1204943102028 is a wasteful number, since it uses less digits than its factorization.

1204943102028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33470641733 (or 33470641728 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

Adding to 1204943102028 its reverse (8202013494021), we get a palindrome (9406956596049).

The spelling of 1204943102028 in words is "one trillion, two hundred four billion, nine hundred forty-three million, one hundred two thousand, twenty-eight".