123030100041012 has 36 divisors (see below), whose sum is σ = 311357340008260. Its totient is φ = 40961955923712.

The previous prime is 123030100041011. The next prime is 123030100041061. The reversal of 123030100041012 is 210140001030321.

123030100041012 is a `hidden beast` number, since 1 + 230 + 3 + 0 + 10 + 0 + 0 + 410 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20035327975056 + 102994772065956 = 4476084^2 + 10148634^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×123030100041012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123030100041011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2003194837 + ... + 2003256252.

Almost surely, 2^{123030100041012} is an apocalyptic number.

123030100041012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123030100041012 is an abundant number, since it is smaller than the sum of its proper divisors (188327239967248).

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

123030100041012 is a wasteful number, since it uses less digits than its factorization.

123030100041012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006451952 (or 4006451947 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 123030100041012 its reverse (210140001030321), we get a palindrome (333170101071333).

The spelling of 123030100041012 in words is "one hundred twenty-three trillion, thirty billion, one hundred million, forty-one thousand, twelve".