1202112002220 has 48 divisors (see below), whose sum is σ = 3365969614560. Its totient is φ = 320557866496.

The previous prime is 1202112002177. The next prime is 1202112002233. The reversal of 1202112002220 is 222002112021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1202112002220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4591816 + ... + 4846544.

It is an arithmetic number, because the mean of its divisors is an integer number (70124366970).

Almost surely, 2^{1202112002220} is an apocalyptic number.

1202112002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202112002220 is an abundant number, since it is smaller than the sum of its proper divisors (2163857612340).

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

1202112002220 is a wasteful number, since it uses less digits than its factorization.

1202112002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333394 (or 333392 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1202112002220 its reverse (222002112021), we get a palindrome (1424114114241).

The spelling of 1202112002220 in words is "one trillion, two hundred two billion, one hundred twelve million, two thousand, two hundred twenty".