1212330030 has 16 divisors (see below), whose sum is σ = 2909592144. Its totient is φ = 323288000.

The previous prime is 1212330019. The next prime is 1212330037. The reversal of 1212330030 is 300332121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 1212329991 and 1212330009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212330037) 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 7 ways as a sum of consecutive naturals, for example, 20205471 + ... + 20205530.

It is an arithmetic number, because the mean of its divisors is an integer number (181849509).

Almost surely, 2^1212330030 is an apocalyptic number.

1212330030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212330030 is an abundant number, since it is smaller than the sum of its proper divisors (1697262114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212330030 is a wasteful number, since it uses less digits than its factorization.

1212330030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40411011.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1212330030 is about 34818.5299804572. The cubic root of 1212330030 is about 1066.2857886025.

Adding to 1212330030 its reverse (300332121), we get a palindrome (1512662151).

The spelling of 1212330030 in words is "one billion, two hundred twelve million, three hundred thirty thousand, thirty".