1202224421420 has 36 divisors (see below), whose sum is σ = 2775051913872. Its totient is φ = 437172516000.

The previous prime is 1202224421417. The next prime is 1202224421459. The reversal of 1202224421420 is 241244222021.

It is a self number, because there is not a number n which added to its sum of digits gives 1202224421420.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248391056 + ... + 248395895.

Almost surely, 2^{1202224421420} is an apocalyptic number.

1202224421420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202224421420 is an abundant number, since it is smaller than the sum of its proper divisors (1572827492452).

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

1202224421420 is a wasteful number, since it uses less digits than its factorization.

1202224421420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496786982 (or 496786969 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 1202224421420 its reverse (241244222021), we get a palindrome (1443468643441).

It can be divided in two parts, 12022 and 24421420, that added together give a palindrome (24433442).

The spelling of 1202224421420 in words is "one trillion, two hundred two billion, two hundred twenty-four million, four hundred twenty-one thousand, four hundred twenty".