1202221122220 has 48 divisors (see below), whose sum is σ = 2548657188000. Its totient is φ = 476321264640.

The previous prime is 1202221122217. The next prime is 1202221122227. The reversal of 1202221122220 is 222211222021.

It is not an unprimeable number, because it can be changed into a prime (1202221122227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6715431 + ... + 6892129.

It is an arithmetic number, because the mean of its divisors is an integer number (53097024750).

Almost surely, 2^{1202221122220} is an apocalyptic number.

1202221122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202221122220 is an abundant number, since it is smaller than the sum of its proper divisors (1346436065780).

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

1202221122220 is a wasteful number, since it uses less digits than its factorization.

1202221122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179938 (or 179936 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1202221122220 its reverse (222211222021), we get a palindrome (1424432344241).

The spelling of 1202221122220 in words is "one trillion, two hundred two billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty".