123271180272 has 120 divisors (see below), whose sum is σ = 346234870800. Its totient is φ = 40942218240.

The previous prime is 123271180271. The next prime is 123271180303. The reversal of 123271180272 is 272081172321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123271180271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58727479 + ... + 58729577.

It is an arithmetic number, because the mean of its divisors is an integer number (2885290590).

Almost surely, 2^123271180272 is an apocalyptic number.

123271180272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123271180272 is an abundant number, since it is smaller than the sum of its proper divisors (222963690528).

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

123271180272 is a wasteful number, since it uses less digits than its factorization.

123271180272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391 (or 3382 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 123271180272 in words is "one hundred twenty-three billion, two hundred seventy-one million, one hundred eighty thousand, two hundred seventy-two".