1211004204 has 12 divisors (see below), whose sum is σ = 2825676504. Its totient is φ = 403668064.

The previous prime is 1211004161. The next prime is 1211004229. The reversal of 1211004204 is 4024001121.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50458497 + ... + 50458520.

It is an arithmetic number, because the mean of its divisors is an integer number (235473042).

Almost surely, 2^1211004204 is an apocalyptic number.

It is an amenable number.

1211004204 is an abundant number, since it is smaller than the sum of its proper divisors (1614672300).

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

1211004204 is a wasteful number, since it uses less digits than its factorization.

1211004204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100917024 (or 100917022 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1211004204 is about 34799.4856858546. The cubic root of 1211004204 is about 1065.8969436915.

Adding to 1211004204 its reverse (4024001121), we get a palindrome (5235005325).

The spelling of 1211004204 in words is "one billion, two hundred eleven million, four thousand, two hundred four".