351212200001 has 4 divisors (see below), whose sum is σ = 378228523092. Its totient is φ = 324195876912.

The previous prime is 351212199997. The next prime is 351212200013. The reversal of 351212200001 is 100002212153.

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 233408799376 + 117803400625 = 483124^2 + 343225^2 .

It is a cyclic number.

It is not a de Polignac number, because 351212200001 - 2² = 351212199997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351212200021) 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, 13508161526 + ... + 13508161551.

It is an arithmetic number, because the mean of its divisors is an integer number (94557130773).

Almost surely, 2^351212200001 is an apocalyptic number.

It is an amenable number.

351212200001 is a deficient number, since it is larger than the sum of its proper divisors (27016323091).

351212200001 is a wasteful number, since it uses less digits than its factorization.

351212200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27016323090.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 351212200001 its reverse (100002212153), we get a palindrome (451214412154).

The spelling of 351212200001 in words is "three hundred fifty-one billion, two hundred twelve million, two hundred thousand, one".