120213031220 has 24 divisors (see below), whose sum is σ = 253857693600. Its totient is φ = 47816578592.

The previous prime is 120213031201. The next prime is 120213031223. The reversal of 120213031220 is 22130312021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120213031223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16785950 + ... + 16793109.

It is an arithmetic number, because the mean of its divisors is an integer number (10577403900).

Almost surely, 2^120213031220 is an apocalyptic number.

120213031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120213031220 is an abundant number, since it is smaller than the sum of its proper divisors (133644662380).

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

120213031220 is a wasteful number, since it uses less digits than its factorization.

120213031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33579247 (or 33579245 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 120213031220 its reverse (22130312021), we get a palindrome (142343343241).

The spelling of 120213031220 in words is "one hundred twenty billion, two hundred thirteen million, thirty-one thousand, two hundred twenty".