1211342204 has 12 divisors (see below), whose sum is σ = 2120272728. Its totient is φ = 605550000.

The previous prime is 1211342203. The next prime is 1211342213. The reversal of 1211342204 is 4022431121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211342203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5522 + ... + 49529.

It is an arithmetic number, because the mean of its divisors is an integer number (176689394).

Almost surely, 2^1211342204 is an apocalyptic number.

It is an amenable number.

1211342204 is a deficient number, since it is larger than the sum of its proper divisors (908930524).

1211342204 is a wasteful number, since it uses less digits than its factorization.

1211342204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60556 (or 60554 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1211342204 is about 34804.3417406507. The cubic root of 1211342204 is about 1065.9961009729.

Adding to 1211342204 its reverse (4022431121), we get a palindrome (5233773325).

The spelling of 1211342204 in words is "one billion, two hundred eleven million, three hundred forty-two thousand, two hundred four".