1122440012 has 48 divisors (see below), whose sum is σ = 2079168000. Its totient is φ = 529429824.

The previous prime is 1122440003. The next prime is 1122440023. The reversal of 1122440012 is 2100442211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079789 + ... + 1080827.

It is an arithmetic number, because the mean of its divisors is an integer number (43316000).

Almost surely, 2^1122440012 is an apocalyptic number.

It is an amenable number.

1122440012 is a deficient number, since it is larger than the sum of its proper divisors (956727988).

1122440012 is a wasteful number, since it uses less digits than its factorization.

1122440012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278 (or 1276 counting only the distinct ones).

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

The square root of 1122440012 is about 33502.8358799669. The cubic root of 1122440012 is about 1039.2524250335.

Adding to 1122440012 its reverse (2100442211), we get a palindrome (3222882223).

The spelling of 1122440012 in words is "one billion, one hundred twenty-two million, four hundred forty thousand, twelve".