1234240040212 has 12 divisors (see below), whose sum is σ = 2253829638816. Its totient is φ = 590288714840.

The previous prime is 1234240040183. The next prime is 1234240040213. The reversal of 1234240040212 is 2120400424321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234240040213) 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, 6707826214 + ... + 6707826397.

It is an arithmetic number, because the mean of its divisors is an integer number (187819136568).

Almost surely, 2^{1234240040212} is an apocalyptic number.

It is an amenable number.

1234240040212 is a deficient number, since it is larger than the sum of its proper divisors (1019589598604).

1234240040212 is a wasteful number, since it uses less digits than its factorization.

1234240040212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13415652638 (or 13415652636 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1234240040212 its reverse (2120400424321), we get a palindrome (3354640464533).

The spelling of 1234240040212 in words is "one trillion, two hundred thirty-four billion, two hundred forty million, forty thousand, two hundred twelve".