1012320135234 has 32 divisors (see below), whose sum is σ = 2257901441280. Its totient is φ = 336194874000.

The previous prime is 1012320135157. The next prime is 1012320135241. The reversal of 1012320135234 is 4325310232101.

1012320135234 is a `hidden beast` number, since 1 + 0 + 123 + 2 + 0 + 13 + 523 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1012320135198 and 1012320135207.

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, 34573317 + ... + 34602584.

It is an arithmetic number, because the mean of its divisors is an integer number (70559420040).

Almost surely, 2^{1012320135234} is an apocalyptic number.

1012320135234 is an abundant number, since it is smaller than the sum of its proper divisors (1245581306046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012320135234 is a wasteful number, since it uses less digits than its factorization.

1012320135234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69176183 (or 69176177 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 1012320135234 its reverse (4325310232101), we get a palindrome (5337630367335).

The spelling of 1012320135234 in words is "one trillion, twelve billion, three hundred twenty million, one hundred thirty-five thousand, two hundred thirty-four".