1212353104 has 10 divisors (see below), whose sum is σ = 2348934170. Its totient is φ = 606176544.

The previous prime is 1212353099. The next prime is 1212353117. The reversal of 1212353104 is 4013532121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1041998400 + 170354704 = 32280^2 + 13052^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37886019 + ... + 37886050.

It is an arithmetic number, because the mean of its divisors is an integer number (234893417).

Almost surely, 2^1212353104 is an apocalyptic number.

It is an amenable number.

1212353104 is a deficient number, since it is larger than the sum of its proper divisors (1136581066).

1212353104 is an equidigital number, since it uses as much as digits as its factorization.

1212353104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75772077 (or 75772071 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1212353104 is about 34818.8613254368. The cubic root of 1212353104 is about 1066.2925533507.

Adding to 1212353104 its reverse (4013532121), we get a palindrome (5225885225).

The spelling of 1212353104 in words is "one billion, two hundred twelve million, three hundred fifty-three thousand, one hundred four".