1220041412 has 12 divisors (see below), whose sum is σ = 2171260560. Its totient is φ = 599681256.

The previous prime is 1220041409. The next prime is 1220041423. The reversal of 1220041412 is 2141400221.

It is a super-3 number, since 3×1220041412³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2584598 + ... + 2585069.

It is an arithmetic number, because the mean of its divisors is an integer number (180938380).

Almost surely, 2^1220041412 is an apocalyptic number.

It is an amenable number.

1220041412 is a deficient number, since it is larger than the sum of its proper divisors (951219148).

1220041412 is a wasteful number, since it uses less digits than its factorization.

1220041412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5169730 (or 5169728 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1220041412 is about 34929.0911991709. The cubic root of 1220041412 is about 1068.5418201632.

Adding to 1220041412 its reverse (2141400221), we get a palindrome (3361441633).

The spelling of 1220041412 in words is "one billion, two hundred twenty million, forty-one thousand, four hundred twelve".