1212330430 has 32 divisors (see below), whose sum is σ = 2200786848. Its totient is φ = 480816000.

The previous prime is 1212330421. The next prime is 1212330439. The reversal of 1212330430 is 340332121.

It is an interprime number because it is at equal distance from previous prime (1212330421) and next prime (1212330439).

It is a junction number, because it is equal to n+sod(n) for n = 1212330398 and 1212330407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212330439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1142100 + ... + 1143160.

It is an arithmetic number, because the mean of its divisors is an integer number (68774589).

Almost surely, 2^1212330430 is an apocalyptic number.

1212330430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212330430 is a deficient number, since it is larger than the sum of its proper divisors (988456418).

1212330430 is a wasteful number, since it uses less digits than its factorization.

1212330430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1212330430 is about 34818.5357245247. The cubic root of 1212330430 is about 1066.2859058737.

Adding to 1212330430 its reverse (340332121), we get a palindrome (1552662551).

The spelling of 1212330430 in words is "one billion, two hundred twelve million, three hundred thirty thousand, four hundred thirty".