1213410134223 has 72 divisors (see below), whose sum is σ = 2174551546752. Its totient is φ = 647826342912.

The previous prime is 1213410134177. The next prime is 1213410134231. The reversal of 1213410134223 is 3224310143121.

1213410134223 is a `hidden beast` number, since 1 + 2 + 13 + 410 + 13 + 4 + 223 = 666.

It is not a de Polignac number, because 1213410134223 - 2¹³ = 1213410126031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213410134323) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 436386 + ... + 1617792.

It is an arithmetic number, because the mean of its divisors is an integer number (30202104816).

Almost surely, 2^{1213410134223} is an apocalyptic number.

1213410134223 is a deficient number, since it is larger than the sum of its proper divisors (961141412529).

1213410134223 is a wasteful number, since it uses less digits than its factorization.

1213410134223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181581 (or 1181571 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1213410134223 its reverse (3224310143121), we get a palindrome (4437720277344).

The spelling of 1213410134223 in words is "one trillion, two hundred thirteen billion, four hundred ten million, one hundred thirty-four thousand, two hundred twenty-three".