3012912240 has 80 divisors (see below), whose sum is σ = 10058502048. Its totient is φ = 741639168.

The previous prime is 3012912229. The next prime is 3012912241. The reversal of 3012912240 is 422192103.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3012912240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012912241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479719 + ... + 485958.

Almost surely, 2^3012912240 is an apocalyptic number.

3012912240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3012912240 is an abundant number, since it is smaller than the sum of its proper divisors (7045589808).

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

3012912240 is a wasteful number, since it uses less digits than its factorization.

3012912240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965706 (or 965700 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 3012912240 is about 54890.0012752778. The cubic root of 3012912240 is about 1444.3157945820.

The spelling of 3012912240 in words is "three billion, twelve million, nine hundred twelve thousand, two hundred forty".