1234404212 has 24 divisors (see below), whose sum is σ = 2221488360. Its totient is φ = 599736960.

The previous prime is 1234404211. The next prime is 1234404247. The reversal of 1234404212 is 2124044321.

It can be written as a sum of positive squares in 4 ways, for example, as 505620196 + 728784016 = 22486^2 + 26996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234404211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117662 + ... + 127722.

It is an arithmetic number, because the mean of its divisors is an integer number (92562015).

Almost surely, 2^1234404212 is an apocalyptic number.

It is an amenable number.

1234404212 is a deficient number, since it is larger than the sum of its proper divisors (987084148).

1234404212 is a wasteful number, since it uses less digits than its factorization.

1234404212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10931 (or 10929 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1234404212 is about 35134.0890304559. The cubic root of 1234404212 is about 1072.7185687341.

Adding to 1234404212 its reverse (2124044321), we get a palindrome (3358448533).

The spelling of 1234404212 in words is "one billion, two hundred thirty-four million, four hundred four thousand, two hundred twelve".