1202220012220 has 12 divisors (see below), whose sum is σ = 2524662025704. Its totient is φ = 480888004880.

The previous prime is 1202220012197. The next prime is 1202220012247. The reversal of 1202220012220 is 222100222021.

It is a junction number, because it is equal to n+sod(n) for n = 1202220012194 and 1202220012203.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 30055500286 + ... + 30055500325.

It is an arithmetic number, because the mean of its divisors is an integer number (210388502142).

Almost surely, 2^{1202220012220} is an apocalyptic number.

1202220012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202220012220 is an abundant number, since it is smaller than the sum of its proper divisors (1322442013484).

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

1202220012220 is a wasteful number, since it uses less digits than its factorization.

1202220012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60111000620 (or 60111000618 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1202220012220 its reverse (222100222021), we get a palindrome (1424320234241).

The spelling of 1202220012220 in words is "one trillion, two hundred two billion, two hundred twenty million, twelve thousand, two hundred twenty".