1212346004 has 6 divisors (see below), whose sum is σ = 2121605514. Its totient is φ = 606173000.

The previous prime is 1212345991. The next prime is 1212346021. The reversal of 1212346004 is 4006432121.

It can be written as a sum of positive squares in only one way, i.e., 619910404 + 592435600 = 24898^2 + 24340^2 .

It is a congruent number.

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, 151543247 + ... + 151543254.

It is an arithmetic number, because the mean of its divisors is an integer number (353600919).

Almost surely, 2^1212346004 is an apocalyptic number.

It is an amenable number.

1212346004 is a deficient number, since it is larger than the sum of its proper divisors (909259510).

1212346004 is a wasteful number, since it uses less digits than its factorization.

1212346004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303086505 (or 303086503 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1212346004 is about 34818.7593690528. The cubic root of 1212346004 is about 1066.2904718087.

Adding to 1212346004 its reverse (4006432121), we get a palindrome (5218778125).

The spelling of 1212346004 in words is "one billion, two hundred twelve million, three hundred forty-six thousand, four".