347205212401 has 4 divisors (see below), whose sum is σ = 347229471204. Its totient is φ = 347180953600.

The previous prime is 347205212359. The next prime is 347205212407. The reversal of 347205212401 is 104212502743.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 120148197376 + 227057015025 = 346624^2 + 476505^2 .

It is a cyclic number.

It is not a de Polignac number, because 347205212401 - 2²³ = 347196823793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347205212407) 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, 12107920 + ... + 12136561.

It is an arithmetic number, because the mean of its divisors is an integer number (86807367801).

Almost surely, 2^347205212401 is an apocalyptic number.

It is an amenable number.

347205212401 is a deficient number, since it is larger than the sum of its proper divisors (24258803).

347205212401 is a wasteful number, since it uses less digits than its factorization.

347205212401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24258802.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 347205212401 in words is "three hundred forty-seven billion, two hundred five million, two hundred twelve thousand, four hundred one".