120102011220 has 48 divisors (see below), whose sum is σ = 336365305920. Its totient is φ = 32019614976.

The previous prime is 120102011219. The next prime is 120102011243. The reversal of 120102011220 is 22110201021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120102011196 and 120102011205.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 20544 + ... + 490536.

It is an arithmetic number, because the mean of its divisors is an integer number (7007610540).

Almost surely, 2^120102011220 is an apocalyptic number.

120102011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120102011220 is an abundant number, since it is smaller than the sum of its proper divisors (216263294700).

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

120102011220 is a wasteful number, since it uses less digits than its factorization.

120102011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474264 (or 474262 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120102011220 its reverse (22110201021), we get a palindrome (142212212241).

The spelling of 120102011220 in words is "one hundred twenty billion, one hundred two million, eleven thousand, two hundred twenty".