1001240412 has 12 divisors (see below), whose sum is σ = 2336227656. Its totient is φ = 333746800.

The previous prime is 1001240407. The next prime is 1001240413. The reversal of 1001240412 is 2140421001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1001240391 and 1001240400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001240413) 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, 41718339 + ... + 41718362.

It is an arithmetic number, because the mean of its divisors is an integer number (194685638).

Almost surely, 2^1001240412 is an apocalyptic number.

1001240412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001240412 is an abundant number, since it is smaller than the sum of its proper divisors (1334987244).

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

1001240412 is a wasteful number, since it uses less digits than its factorization.

1001240412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83436708 (or 83436706 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1001240412 is about 31642.3831593008. The cubic root of 1001240412 is about 1000.4132998264.

Adding to 1001240412 its reverse (2140421001), we get a palindrome (3141661413).

The spelling of 1001240412 in words is "one billion, one million, two hundred forty thousand, four hundred twelve".