120152121606 has 160 divisors (see below), whose sum is σ = 317522430720. Its totient is φ = 33560827200.

The previous prime is 120152121589. The next prime is 120152121653. The reversal of 120152121606 is 606121251021.

120152121606 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 52 + 1 + 2 + 1 + 606 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 120152121606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1204791 + ... + 1300701.

It is an arithmetic number, because the mean of its divisors is an integer number (1984515192).

Almost surely, 2^120152121606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120152121606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158761215360).

120152121606 is an abundant number, since it is smaller than the sum of its proper divisors (197370309114).

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

120152121606 is a wasteful number, since it uses less digits than its factorization.

120152121606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95992 (or 95983 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 120152121606 its reverse (606121251021), we get a palindrome (726273372627).

The spelling of 120152121606 in words is "one hundred twenty billion, one hundred fifty-two million, one hundred twenty-one thousand, six hundred six".