1212302030 has 32 divisors (see below), whose sum is σ = 2308608000. Its totient is φ = 457075872.

The previous prime is 1212302017. The next prime is 1212302041. The reversal of 1212302030 is 302032121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1212301996 and 1212302014.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21779 + ... + 53841.

It is an arithmetic number, because the mean of its divisors is an integer number (72144000).

Almost surely, 2^1212302030 is an apocalyptic number.

1212302030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212302030 is a deficient number, since it is larger than the sum of its proper divisors (1096305970).

1212302030 is a wasteful number, since it uses less digits than its factorization.

1212302030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32288.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1212302030 is about 34818.1278933834. The cubic root of 1212302030 is about 1066.2775795529.

Adding to 1212302030 its reverse (302032121), we get a palindrome (1514334151).

The spelling of 1212302030 in words is "one billion, two hundred twelve million, three hundred two thousand, thirty".