1230111223134 has 32 divisors (see below), whose sum is σ = 2605504907520. Its totient is φ = 386355501312.

The previous prime is 1230111223093. The next prime is 1230111223153. The reversal of 1230111223134 is 4313221110321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66512019 + ... + 66530510.

It is an arithmetic number, because the mean of its divisors is an integer number (81422028360).

Almost surely, 2^{1230111223134} is an apocalyptic number.

1230111223134 is an abundant number, since it is smaller than the sum of its proper divisors (1375393684386).

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

1230111223134 is a wasteful number, since it uses less digits than its factorization.

1230111223134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133042624.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1230111223134 its reverse (4313221110321), we get a palindrome (5543332333455).

The spelling of 1230111223134 in words is "one trillion, two hundred thirty billion, one hundred eleven million, two hundred twenty-three thousand, one hundred thirty-four".