1230111344312 has 8 divisors (see below), whose sum is σ = 2306458770600. Its totient is φ = 615055672152.

The previous prime is 1230111344303. The next prime is 1230111344333. The reversal of 1230111344312 is 2134431110321.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76881959012 + ... + 76881959027.

It is an arithmetic number, because the mean of its divisors is an integer number (288307346325).

Almost surely, 2^{1230111344312} is an apocalyptic number.

It is an amenable number.

1230111344312 is a deficient number, since it is larger than the sum of its proper divisors (1076347426288).

1230111344312 is a wasteful number, since it uses less digits than its factorization.

1230111344312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153763918045 (or 153763918041 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 1230111344312 its reverse (2134431110321), we get a palindrome (3364542454633).

The spelling of 1230111344312 in words is "one trillion, two hundred thirty billion, one hundred eleven million, three hundred forty-four thousand, three hundred twelve".