1212030112124 has 12 divisors (see below), whose sum is σ = 2284210596024. Its totient is φ = 559398513264.

The previous prime is 1212030112121. The next prime is 1212030112129. The reversal of 1212030112124 is 4212110302121.

It is a junction number, because it is equal to n+sod(n) for n = 1212030112096 and 1212030112105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212030112121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11654135642 + ... + 11654135745.

It is an arithmetic number, because the mean of its divisors is an integer number (190350883002).

Almost surely, 2^{1212030112124} is an apocalyptic number.

It is an amenable number.

1212030112124 is a deficient number, since it is larger than the sum of its proper divisors (1072180483900).

1212030112124 is a wasteful number, since it uses less digits than its factorization.

1212030112124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23308271404 (or 23308271402 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1212030112124 its reverse (4212110302121), we get a palindrome (5424140414245).

The spelling of 1212030112124 in words is "one trillion, two hundred twelve billion, thirty million, one hundred twelve thousand, one hundred twenty-four".