1230111011234 has 16 divisors (see below), whose sum is σ = 2108783118336. Its totient is φ = 527185087200.

The previous prime is 1230111011209. The next prime is 1230111011273. The reversal of 1230111011234 is 4321101110321.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191839 + ... + 1969949.

It is an arithmetic number, because the mean of its divisors is an integer number (131798944896).

Almost surely, 2^{1230111011234} is an apocalyptic number.

1230111011234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1230111011234 is a deficient number, since it is larger than the sum of its proper divisors (878672107102).

1230111011234 is a wasteful number, since it uses less digits than its factorization.

1230111011234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891041.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1230111011234 its reverse (4321101110321), we get a palindrome (5551212121555).

The spelling of 1230111011234 in words is "one trillion, two hundred thirty billion, one hundred eleven million, eleven thousand, two hundred thirty-four".