1240332012 has 18 divisors (see below), whose sum is σ = 3135283788. Its totient is φ = 413443992.

The previous prime is 1240332011. The next prime is 1240332029. The reversal of 1240332012 is 2102330421.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1240332011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17226798 + ... + 17226869.

Almost surely, 2^1240332012 is an apocalyptic number.

1240332012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1240332012 is an abundant number, since it is smaller than the sum of its proper divisors (1894951776).

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

1240332012 is a wasteful number, since it uses less digits than its factorization.

1240332012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34453677 (or 34453672 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1240332012 is about 35218.3476614108. The cubic root of 1240332012 is about 1074.4329475936.

Adding to 1240332012 its reverse (2102330421), we get a palindrome (3342662433).

The spelling of 1240332012 in words is "one billion, two hundred forty million, three hundred thirty-two thousand, twelve".