1220030412 has 12 divisors (see below), whose sum is σ = 2846737656. Its totient is φ = 406676800.

The previous prime is 1220030411. The next prime is 1220030467. The reversal of 1220030412 is 2140300221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1220030391 and 1220030400.

It is not an unprimeable number, because it can be changed into a prime (1220030411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50834589 + ... + 50834612.

It is an arithmetic number, because the mean of its divisors is an integer number (237228138).

Almost surely, 2^1220030412 is an apocalyptic number.

1220030412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220030412 is an abundant number, since it is smaller than the sum of its proper divisors (1626707244).

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

1220030412 is a wasteful number, since it uses less digits than its factorization.

1220030412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101669208 (or 101669206 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1220030412 is about 34928.9337369465. The cubic root of 1220030412 is about 1068.5386087981.

Adding to 1220030412 its reverse (2140300221), we get a palindrome (3360330633).

The spelling of 1220030412 in words is "one billion, two hundred twenty million, thirty thousand, four hundred twelve".