1230032121123 has 16 divisors (see below), whose sum is σ = 1766399787936. Its totient is φ = 756857207040.

The previous prime is 1230032121107. The next prime is 1230032121161. The reversal of 1230032121123 is 3211212300321.

It is not a de Polignac number, because 1230032121123 - 2⁴ = 1230032121107 is a prime.

It is a super-2 number, since 2×1230032121123² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1230032121123.

It is not an unprimeable number, because it can be changed into a prime (1230032121103) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1434090 + ... + 2125247.

It is an arithmetic number, because the mean of its divisors is an integer number (110399986746).

Almost surely, 2^{1230032121123} is an apocalyptic number.

1230032121123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1230032121123 is a deficient number, since it is larger than the sum of its proper divisors (536367666813).

1230032121123 is a wasteful number, since it uses less digits than its factorization.

1230032121123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568214.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1230032121123 its reverse (3211212300321), we get a palindrome (4441244421444).

The spelling of 1230032121123 in words is "one trillion, two hundred thirty billion, thirty-two million, one hundred twenty-one thousand, one hundred twenty-three".