1220302301112 has 24 divisors (see below), whose sum is σ = 3304985399040. Its totient is φ = 406767433680.

The previous prime is 1220302301111. The next prime is 1220302301131. The reversal of 1220302301112 is 2111032030221.

1220302301112 is a `hidden beast` number, since 1 + 220 + 30 + 2 + 301 + 112 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

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 (1220302301111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8474321464 + ... + 8474321607.

It is an arithmetic number, because the mean of its divisors is an integer number (137707724960).

Almost surely, 2^{1220302301112} is an apocalyptic number.

1220302301112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220302301112 is an abundant number, since it is smaller than the sum of its proper divisors (2084683097928).

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

1220302301112 is a wasteful number, since it uses less digits than its factorization.

1220302301112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16948643083 (or 16948643076 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1220302301112 its reverse (2111032030221), we get a palindrome (3331334331333).

The spelling of 1220302301112 in words is "one trillion, two hundred twenty billion, three hundred two million, three hundred one thousand, one hundred twelve".