1210404343401 has 36 divisors (see below), whose sum is σ = 1921943266516. Its totient is φ = 733505794560.

The previous prime is 1210404343397. The next prime is 1210404343471. The reversal of 1210404343401 is 1043434040121.

1210404343401 is a `hidden beast` number, since 1 + 210 + 4 + 0 + 4 + 3 + 43 + 401 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 460872623376 + 749531720025 = 678876^2 + 865755^2 .

It is not a de Polignac number, because 1210404343401 - 2² = 1210404343397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210404343471) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12209505 + ... + 12308241.

Almost surely, 2^{1210404343401} is an apocalyptic number.

1210404343401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1210404343401 is a deficient number, since it is larger than the sum of its proper divisors (711538923115).

1210404343401 is a wasteful number, since it uses less digits than its factorization.

1210404343401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110022 (or 110008 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1210404343401 its reverse (1043434040121), we get a palindrome (2253838383522).

The spelling of 1210404343401 in words is "one trillion, two hundred ten billion, four hundred four million, three hundred forty-three thousand, four hundred one".