1213414542345 has 24 divisors (see below), whose sum is σ = 2029544790336. Its totient is φ = 619017269728.

The previous prime is 1213414542317. The next prime is 1213414542397. The reversal of 1213414542345 is 5432454143121.

It is not a de Polignac number, because 1213414542345 - 2¹² = 1213414538249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76451709 + ... + 76467578.

It is an arithmetic number, because the mean of its divisors is an integer number (84564366264).

Almost surely, 2^{1213414542345} is an apocalyptic number.

1213414542345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1213414542345 is a deficient number, since it is larger than the sum of its proper divisors (816130247991).

1213414542345 is a wasteful number, since it uses less digits than its factorization.

1213414542345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152919341 (or 152919318 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

Adding to 1213414542345 its reverse (5432454143121), we get a palindrome (6645868685466).

The spelling of 1213414542345 in words is "one trillion, two hundred thirteen billion, four hundred fourteen million, five hundred forty-two thousand, three hundred forty-five".