120532021200 has 90 divisors (see below), whose sum is σ = 418279607174. Its totient is φ = 32141871360.

The previous prime is 120532021199. The next prime is 120532021201. The reversal of 120532021200 is 2120235021.

120532021200 is a `hidden beast` number, since 12 + 0 + 532 + 0 + 2 + 120 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (120532021199) and next prime (120532021201).

It can be written as a sum of positive squares in 3 ways, for example, as 619412544 + 119912608656 = 24888^2 + 346284^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120532021201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16736959 + ... + 16744158.

Almost surely, 2^120532021200 is an apocalyptic number.

120532021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120532021200 is an abundant number, since it is smaller than the sum of its proper divisors (297747585974).

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

120532021200 is a wasteful number, since it uses less digits than its factorization.

120532021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33481141 (or 33481127 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 120532021200 its reverse (2120235021), we get a palindrome (122652256221).

The spelling of 120532021200 in words is "one hundred twenty billion, five hundred thirty-two million, twenty-one thousand, two hundred".