340412400004121 has 8 divisors (see below), whose sum is σ = 344440148386944. Its totient is φ = 336397540417200.

The previous prime is 340412400004093. The next prime is 340412400004129. The reversal of 340412400004121 is 121400004214043.

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

It is a cyclic number.

It is not a de Polignac number, because 340412400004121 - 2⁴² = 336014353493017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340412400004129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3222145841 + ... + 3222251486.

It is an arithmetic number, because the mean of its divisors is an integer number (43055018548368).

Almost surely, 2^{340412400004121} is an apocalyptic number.

It is an amenable number.

340412400004121 is a deficient number, since it is larger than the sum of its proper divisors (4027748382823).

340412400004121 is a wasteful number, since it uses less digits than its factorization.

340412400004121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444397951.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 340412400004121 its reverse (121400004214043), we get a palindrome (461812404218164).

The spelling of 340412400004121 in words is "three hundred forty trillion, four hundred twelve billion, four hundred million, four thousand, one hundred twenty-one".