1213332115405 has 8 divisors (see below), whose sum is σ = 1519302822912. Its totient is φ = 928462836048.

The previous prime is 1213332115397. The next prime is 1213332115483. The reversal of 1213332115405 is 5045112333121.

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 1213332115405 - 2³ = 1213332115397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5275356909 + ... + 5275357138.

It is an arithmetic number, because the mean of its divisors is an integer number (189912852864).

Almost surely, 2^{1213332115405} is an apocalyptic number.

It is an amenable number.

1213332115405 is a deficient number, since it is larger than the sum of its proper divisors (305970707507).

1213332115405 is a wasteful number, since it uses less digits than its factorization.

1213332115405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10550714075.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 1213332115405 its reverse (5045112333121), we get a palindrome (6258444448526).

The spelling of 1213332115405 in words is "one trillion, two hundred thirteen billion, three hundred thirty-two million, one hundred fifteen thousand, four hundred five".