1212340111124 has 24 divisors (see below), whose sum is σ = 2149944652800. Its totient is φ = 598080880800.

The previous prime is 1212340111121. The next prime is 1212340111133. The reversal of 1212340111124 is 4211110432121.

It is a self number, because there is not a number n which added to its sum of digits gives 1212340111124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212340111121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 878327 + ... + 1787774.

It is an arithmetic number, because the mean of its divisors is an integer number (89581027200).

Almost surely, 2^{1212340111124} is an apocalyptic number.

It is an amenable number.

1212340111124 is a deficient number, since it is larger than the sum of its proper divisors (937604541676).

1212340111124 is a wasteful number, since it uses less digits than its factorization.

1212340111124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667623 (or 2667621 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1212340111124 its reverse (4211110432121), we get a palindrome (5423450543245).

The spelling of 1212340111124 in words is "one trillion, two hundred twelve billion, three hundred forty million, one hundred eleven thousand, one hundred twenty-four".