1213450334235 has 48 divisors (see below), whose sum is σ = 2240689651200. Its totient is φ = 605724823872.

The previous prime is 1213450334147. The next prime is 1213450334237. The reversal of 1213450334235 is 5324330543121.

1213450334235 is a `hidden beast` number, since 12 + 1 + 34 + 50 + 334 + 235 = 666.

It is not a de Polignac number, because 1213450334235 - 2¹⁰ = 1213450333211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1213450334235.

It is not an unprimeable number, because it can be changed into a prime (1213450334237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8478675 + ... + 8620604.

It is an arithmetic number, because the mean of its divisors is an integer number (46681034400).

Almost surely, 2^{1213450334235} is an apocalyptic number.

1213450334235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1213450334235 is a deficient number, since it is larger than the sum of its proper divisors (1027239316965).

1213450334235 is a wasteful number, since it uses less digits than its factorization.

1213450334235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17099392 (or 17099389 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 1213450334235 its reverse (5324330543121), we get a palindrome (6537780877356).

The spelling of 1213450334235 in words is "one trillion, two hundred thirteen billion, four hundred fifty million, three hundred thirty-four thousand, two hundred thirty-five".