1212411404 has 6 divisors (see below), whose sum is σ = 2121719964. Its totient is φ = 606205700.

The previous prime is 1212411383. The next prime is 1212411427. The reversal of 1212411404 is 4041142121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151551422 + ... + 151551429.

It is an arithmetic number, because the mean of its divisors is an integer number (353619994).

Almost surely, 2^1212411404 is an apocalyptic number.

It is an amenable number.

1212411404 is a deficient number, since it is larger than the sum of its proper divisors (909308560).

1212411404 is a wasteful number, since it uses less digits than its factorization.

1212411404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303102855 (or 303102853 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1212411404 is about 34819.6985053001. The cubic root of 1212411404 is about 1066.3096451422.

Adding to 1212411404 its reverse (4041142121), we get a palindrome (5253553525).

The spelling of 1212411404 in words is "one billion, two hundred twelve million, four hundred eleven thousand, four hundred four".