120283785272 has 48 divisors (see below), whose sum is σ = 262786397760. Its totient is φ = 51465165696.

The previous prime is 120283785227. The next prime is 120283785337. The reversal of 120283785272 is 272587382021.

It is a super-2 number, since 2×120283785272² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14813 + ... + 490700.

It is an arithmetic number, because the mean of its divisors is an integer number (5474716620).

Almost surely, 2^120283785272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120283785272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131393198880).

120283785272 is an abundant number, since it is smaller than the sum of its proper divisors (142502612488).

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

120283785272 is a wasteful number, since it uses less digits than its factorization.

120283785272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506140 (or 506129 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 120283785272 in words is "one hundred twenty billion, two hundred eighty-three million, seven hundred eighty-five thousand, two hundred seventy-two".