1213410400505 has 8 divisors (see below), whose sum is σ = 1519400849472. Its totient is φ = 928522741168.

The previous prime is 1213410400483. The next prime is 1213410400507. The reversal of 1213410400505 is 5050040143121.

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 1213410400505 - 2⁶ = 1213410400441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1213410400507) 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, 5275697279 + ... + 5275697508.

It is an arithmetic number, because the mean of its divisors is an integer number (189925106184).

Almost surely, 2^{1213410400505} is an apocalyptic number.

It is an amenable number.

1213410400505 is a deficient number, since it is larger than the sum of its proper divisors (305990448967).

1213410400505 is a wasteful number, since it uses less digits than its factorization.

1213410400505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10551394815.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 1213410400505 its reverse (5050040143121), we get a palindrome (6263450543626).

The spelling of 1213410400505 in words is "one trillion, two hundred thirteen billion, four hundred ten million, four hundred thousand, five hundred five".