1213412542445 has 16 divisors (see below), whose sum is σ = 1473211333440. Its totient is φ = 959362487424.

The previous prime is 1213412542367. The next prime is 1213412542451. The reversal of 1213412542445 is 5442452143121.

It is a cyclic number.

It is not a de Polignac number, because 1213412542445 - 2²⁶ = 1213345433581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213412542399 and 1213412542408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2482352 + ... + 2930681.

It is an arithmetic number, because the mean of its divisors is an integer number (92075708340).

Almost surely, 2^{1213412542445} is an apocalyptic number.

It is an amenable number.

1213412542445 is a deficient number, since it is larger than the sum of its proper divisors (259798790995).

1213412542445 is a wasteful number, since it uses less digits than its factorization.

1213412542445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413564.

The product of its digits is 153600, while the sum is 38.

Adding to 1213412542445 its reverse (5442452143121), we get a palindrome (6655864685566).

The spelling of 1213412542445 in words is "one trillion, two hundred thirteen billion, four hundred twelve million, five hundred forty-two thousand, four hundred forty-five".