12400642002234 has 8 divisors (see below), whose sum is σ = 24801284004480. Its totient is φ = 4133547334076.

The previous prime is 12400642002173. The next prime is 12400642002247. The reversal of 12400642002234 is 43220024600421.

It is a sphenic number, since it is the product of 3 distinct primes.

12400642002234 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033386833514 + ... + 1033386833525.

It is an arithmetic number, because the mean of its divisors is an integer number (3100160500560).

Almost surely, 2^{12400642002234} is an apocalyptic number.

12400642002234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12400642002234 is a wasteful number, since it uses less digits than its factorization.

12400642002234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066773667044.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 12400642002234 its reverse (43220024600421), we get a palindrome (55620666602655).

The spelling of 12400642002234 in words is "twelve trillion, four hundred billion, six hundred forty-two million, two thousand, two hundred thirty-four".