1220032412 has 6 divisors (see below), whose sum is σ = 2135056728. Its totient is φ = 610016204.

The previous prime is 1220032409. The next prime is 1220032417. The reversal of 1220032412 is 2142300221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220032417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152504048 + ... + 152504055.

It is an arithmetic number, because the mean of its divisors is an integer number (355842788).

Almost surely, 2^1220032412 is an apocalyptic number.

It is an amenable number.

1220032412 is a deficient number, since it is larger than the sum of its proper divisors (915024316).

1220032412 is a wasteful number, since it uses less digits than its factorization.

1220032412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305008107 (or 305008105 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1220032412 is about 34928.9623664947. The cubic root of 1220032412 is about 1068.5391926841.

Adding to 1220032412 its reverse (2142300221), we get a palindrome (3362332633).

The spelling of 1220032412 in words is "one billion, two hundred twenty million, thirty-two thousand, four hundred twelve".