1202222012220 has 36 divisors (see below), whose sum is σ = 3646740104280. Its totient is φ = 320592536544.

The previous prime is 1202222012219. The next prime is 1202222012237. The reversal of 1202222012220 is 222102222021.

1202222012220 is a `hidden beast` number, since 1 + 20 + 222 + 201 + 2 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 1202222012193 and 1202222012202.

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 11 ways as a sum of consecutive naturals, for example, 3339505410 + ... + 3339505769.

It is an arithmetic number, because the mean of its divisors is an integer number (101298336230).

Almost surely, 2^{1202222012220} is an apocalyptic number.

1202222012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202222012220 is an abundant number, since it is smaller than the sum of its proper divisors (2444518092060).

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

1202222012220 is a wasteful number, since it uses less digits than its factorization.

1202222012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6679011194 (or 6679011189 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1202222012220 its reverse (222102222021), we get a palindrome (1424324234241).

The spelling of 1202222012220 in words is "one trillion, two hundred two billion, two hundred twenty-two million, twelve thousand, two hundred twenty".