1230012444 has 24 divisors (see below), whose sum is σ = 2871106560. Its totient is φ = 409850224.

The previous prime is 1230012437. The next prime is 1230012457. The reversal of 1230012444 is 4442100321.

It is a super-2 number, since 2×1230012444² = 3025861224789706272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1230012444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16747 + ... + 52349.

It is an arithmetic number, because the mean of its divisors is an integer number (119629440).

Almost surely, 2^1230012444 is an apocalyptic number.

It is an amenable number.

1230012444 is an abundant number, since it is smaller than the sum of its proper divisors (1641094116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230012444 is a wasteful number, since it uses less digits than its factorization.

1230012444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38489 (or 38487 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1230012444 is about 35071.5332427882. The cubic root of 1230012444 is about 1071.4448829618. Note that the first 3 decimals are identical.

Adding to 1230012444 its reverse (4442100321), we get a palindrome (5672112765).

The spelling of 1230012444 in words is "one billion, two hundred thirty million, twelve thousand, four hundred forty-four".