120202211201220 has 144 divisors (see below), whose sum is σ = 370803697992000. Its totient is φ = 31509749266176.

The previous prime is 120202211201209. The next prime is 120202211201243. The reversal of 120202211201220 is 22102112202021.

It is a happy number.

120202211201220 is a `hidden beast` number, since 1 + 2 + 0 + 20 + 221 + 1 + 201 + 220 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 120202211201193 and 120202211201202.

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 47 ways as a sum of consecutive naturals, for example, 432509266 + ... + 432787094.

It is an arithmetic number, because the mean of its divisors is an integer number (2575025680500).

Almost surely, 2^{120202211201220} is an apocalyptic number.

120202211201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120202211201220 is an abundant number, since it is smaller than the sum of its proper divisors (250601486790780).

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

120202211201220 is a wasteful number, since it uses less digits than its factorization.

120202211201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318642 (or 318637 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120202211201220 its reverse (22102112202021), we get a palindrome (142304323403241).

The spelling of 120202211201220 in words is "one hundred twenty trillion, two hundred two billion, two hundred eleven million, two hundred one thousand, two hundred twenty".