1212330029 has 4 divisors (see below), whose sum is σ = 1212456000. Its totient is φ = 1212204060.

The previous prime is 1212330019. The next prime is 1212330037. The reversal of 1212330029 is 9200332121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1212330029 - 2⁸ = 1212329773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212329986 and 1212330013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212330019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47237 + ... + 68234.

It is an arithmetic number, because the mean of its divisors is an integer number (303114000).

Almost surely, 2^1212330029 is an apocalyptic number.

It is an amenable number.

1212330029 is a deficient number, since it is larger than the sum of its proper divisors (125971).

1212330029 is a wasteful number, since it uses less digits than its factorization.

1212330029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125970.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1212330029 is about 34818.5299660971. The cubic root of 1212330029 is about 1066.2857883093.

The spelling of 1212330029 in words is "one billion, two hundred twelve million, three hundred thirty thousand, twenty-nine".