240012312 has 32 divisors (see below), whose sum is σ = 601620480. Its totient is φ = 79792160.

The previous prime is 240012299. The next prime is 240012343. The reversal of 240012312 is 213210042.

It is a junction number, because it is equal to n+sod(n) for n = 240012291 and 240012300.

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, 3864 + ... + 22247.

It is an arithmetic number, because the mean of its divisors is an integer number (18800640).

Almost surely, 2^240012312 is an apocalyptic number.

It is an amenable number.

240012312 is an abundant number, since it is smaller than the sum of its proper divisors (361608168).

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

240012312 is a wasteful number, since it uses less digits than its factorization.

240012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26503 (or 26499 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 240012312 is about 15492.3307478249. The cubic root of 240012312 is about 621.4571277442.

Adding to 240012312 its reverse (213210042), we get a palindrome (453222354).

The spelling of 240012312 in words is "two hundred forty million, twelve thousand, three hundred twelve".