1206643100204 has 6 divisors (see below), whose sum is σ = 2111625425364. Its totient is φ = 603321550100.

The previous prime is 1206643100203. The next prime is 1206643100219. The reversal of 1206643100204 is 4020013466021.

It is not an unprimeable number, because it can be changed into a prime (1206643100203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150830387522 + ... + 150830387529.

It is an arithmetic number, because the mean of its divisors is an integer number (351937570894).

Almost surely, 2^{1206643100204} is an apocalyptic number.

It is an amenable number.

1206643100204 is a deficient number, since it is larger than the sum of its proper divisors (904982325160).

1206643100204 is a wasteful number, since it uses less digits than its factorization.

1206643100204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301660775055 (or 301660775053 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1206643100204 its reverse (4020013466021), we get a palindrome (5226656566225).

The spelling of 1206643100204 in words is "one trillion, two hundred six billion, six hundred forty-three million, one hundred thousand, two hundred four".