1041221012 has 24 divisors (see below), whose sum is σ = 1977293472. Its totient is φ = 476892000.

The previous prime is 1041221011. The next prime is 1041221047. The reversal of 1041221012 is 2101221401.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041221011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69614 + ... + 83237.

It is an arithmetic number, because the mean of its divisors is an integer number (82387228).

Almost surely, 2^1041221012 is an apocalyptic number.

It is an amenable number.

1041221012 is a deficient number, since it is larger than the sum of its proper divisors (936072460).

1041221012 is a wasteful number, since it uses less digits than its factorization.

1041221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152999 (or 152997 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1041221012 is about 32267.9564273909. The cubic root of 1041221012 is about 1013.5557486837. Note that the first 3 decimals are identical.

Adding to 1041221012 its reverse (2101221401), we get a palindrome (3142442413).

The spelling of 1041221012 in words is "one billion, forty-one million, two hundred twenty-one thousand, twelve".