123041511045212 has 24 divisors (see below), whose sum is σ = 228106627990416. Its totient is φ = 57871933072128.

The previous prime is 123041511045169. The next prime is 123041511045287. The reversal of 123041511045212 is 212540115140321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467906318 + ... + 468169205.

It is an arithmetic number, because the mean of its divisors is an integer number (9504442832934).

Almost surely, 2^{123041511045212} is an apocalyptic number.

It is an amenable number.

123041511045212 is a deficient number, since it is larger than the sum of its proper divisors (105065116945204).

123041511045212 is a wasteful number, since it uses less digits than its factorization.

123041511045212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936077477 (or 936077475 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 123041511045212 its reverse (212540115140321), we get a palindrome (335581626185533).

The spelling of 123041511045212 in words is "one hundred twenty-three trillion, forty-one billion, five hundred eleven million, forty-five thousand, two hundred twelve".