1212322030 has 32 divisors (see below), whose sum is σ = 2241056160. Its totient is φ = 471905280.

The previous prime is 1212322021. The next prime is 1212322039. The reversal of 1212322030 is 302232121.

It is an interprime number because it is at equal distance from previous prime (1212322021) and next prime (1212322039).

It is a junction number, because it is equal to n+sod(n) for n = 1212321995 and 1212322013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212322039) 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, 168262 + ... + 175318.

It is an arithmetic number, because the mean of its divisors is an integer number (70033005).

Almost surely, 2^1212322030 is an apocalyptic number.

1212322030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212322030 is a deficient number, since it is larger than the sum of its proper divisors (1028734130).

1212322030 is a wasteful number, since it uses less digits than its factorization.

1212322030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7524.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1212322030 is about 34818.4150989099. The cubic root of 1212322030 is about 1066.2834431727.

Adding to 1212322030 its reverse (302232121), we get a palindrome (1514554151).

The spelling of 1212322030 in words is "one billion, two hundred twelve million, three hundred twenty-two thousand, thirty".