1230042124122 has 64 divisors (see below), whose sum is σ = 2978921297664. Its totient is φ = 330544005120.

The previous prime is 1230042124057. The next prime is 1230042124123. The reversal of 1230042124122 is 2214212400321.

It is a super-2 number, since 2×1230042124122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1230042124092 and 1230042124101.

It is not an unprimeable number, because it can be changed into a prime (1230042124123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 475818 + ... + 1639050.

It is an arithmetic number, because the mean of its divisors is an integer number (46545645276).

Almost surely, 2^{1230042124122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230042124122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1489460648832).

1230042124122 is an abundant number, since it is smaller than the sum of its proper divisors (1748879173542).

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

1230042124122 is a wasteful number, since it uses less digits than its factorization.

1230042124122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164743.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1230042124122 its reverse (2214212400321), we get a palindrome (3444254524443).

The spelling of 1230042124122 in words is "one trillion, two hundred thirty billion, forty-two million, one hundred twenty-four thousand, one hundred twenty-two".