123020323120212 has 72 divisors (see below), whose sum is σ = 333914322127680. Its totient is φ = 35148451484160.

The previous prime is 123020323120157. The next prime is 123020323120229. The reversal of 123020323120212 is 212021323020321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114708964 + ... + 115776452.

It is an arithmetic number, because the mean of its divisors is an integer number (4637698918440).

Almost surely, 2^{123020323120212} is an apocalyptic number.

123020323120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123020323120212 is an abundant number, since it is smaller than the sum of its proper divisors (210893999007468).

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

123020323120212 is a wasteful number, since it uses less digits than its factorization.

123020323120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263501 (or 1263492 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123020323120212 its reverse (212021323020321), we get a palindrome (335041646140533).

The spelling of 123020323120212 in words is "one hundred twenty-three trillion, twenty billion, three hundred twenty-three million, one hundred twenty thousand, two hundred twelve".