123012211142533 has 8 divisors (see below), whose sum is σ = 133019462362752. Its totient is φ = 113312875344576.

The previous prime is 123012211142521. The next prime is 123012211142563. The reversal of 123012211142533 is 335241112210321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123012211142533 is a prime.

It is a super-2 number, since 2×123012211142533² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123012211142495 and 123012211142504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123012211142563) 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, 76978854735 + ... + 76978856332.

It is an arithmetic number, because the mean of its divisors is an integer number (16627432795344).

Almost surely, 2^{123012211142533} is an apocalyptic number.

It is an amenable number.

123012211142533 is a deficient number, since it is larger than the sum of its proper divisors (10007251220219).

123012211142533 is a wasteful number, since it uses less digits than its factorization.

123012211142533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153957711131.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 123012211142533 its reverse (335241112210321), we get a palindrome (458253323352854).

The spelling of 123012211142533 in words is "one hundred twenty-three trillion, twelve billion, two hundred eleven million, one hundred forty-two thousand, five hundred thirty-three".