1240346212 has 36 divisors (see below), whose sum is σ = 2559608940. Its totient is φ = 524289024.

The previous prime is 1240346209. The next prime is 1240346221. The reversal of 1240346212 is 2126430421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 343583296 + 896762916 = 18536^2 + 29946^2 .

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29037 + ... + 57652.

Almost surely, 2^1240346212 is an apocalyptic number.

It is an amenable number.

1240346212 is an abundant number, since it is smaller than the sum of its proper divisors (1319262728).

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

1240346212 is a wasteful number, since it uses less digits than its factorization.

1240346212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86780 (or 86771 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1240346212 is about 35218.5492602975. The cubic root of 1240346212 is about 1074.4370478102.

Adding to 1240346212 its reverse (2126430421), we get a palindrome (3366776633).

The spelling of 1240346212 in words is "one billion, two hundred forty million, three hundred forty-six thousand, two hundred twelve".