1043221412 has 12 divisors (see below), whose sum is σ = 1825864320. Its totient is φ = 521545896.

The previous prime is 1043221411. The next prime is 1043221469. The reversal of 1043221412 is 2141223401.

It is not an unprimeable number, because it can be changed into a prime (1043221411) 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, 50789 + ... + 68307.

It is an arithmetic number, because the mean of its divisors is an integer number (152155360).

Almost surely, 2^1043221412 is an apocalyptic number.

It is an amenable number.

1043221412 is a deficient number, since it is larger than the sum of its proper divisors (782642908).

1043221412 is a wasteful number, since it uses less digits than its factorization.

1043221412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32410 (or 32408 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1043221412 is about 32298.9382488032. The cubic root of 1043221412 is about 1014.2044165633.

Adding to 1043221412 its reverse (2141223401), we get a palindrome (3184444813).

The spelling of 1043221412 in words is "one billion, forty-three million, two hundred twenty-one thousand, four hundred twelve".