1234040202012 has 48 divisors (see below), whose sum is σ = 2987712637952. Its totient is φ = 396014883840.

The previous prime is 1234040202011. The next prime is 1234040202013. The reversal of 1234040202012 is 2102020404321.

It is an interprime number because it is at equal distance from previous prime (1234040202011) and next prime (1234040202013).

It is a self number, because there is not a number n which added to its sum of digits gives 1234040202012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234040202011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8522278 + ... + 8665869.

Almost surely, 2^{1234040202012} is an apocalyptic number.

1234040202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1234040202012 is an abundant number, since it is smaller than the sum of its proper divisors (1753672435940).

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

1234040202012 is a wasteful number, since it uses less digits than its factorization.

1234040202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17188378 (or 17188376 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1234040202012 its reverse (2102020404321), we get a palindrome (3336060606333).

The spelling of 1234040202012 in words is "one trillion, two hundred thirty-four billion, forty million, two hundred two thousand, twelve".