1202212220022 has 36 divisors (see below), whose sum is σ = 2863119741300. Its totient is φ = 364306732680.

The previous prime is 1202212220017. The next prime is 1202212220039. The reversal of 1202212220022 is 2200222122021.

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 = 1202212219977 and 1202212220004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 275987772 + ... + 275992127.

It is an arithmetic number, because the mean of its divisors is an integer number (79531103925).

Almost surely, 2^{1202212220022} is an apocalyptic number.

1202212220022 is an abundant number, since it is smaller than the sum of its proper divisors (1660907521278).

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

1202212220022 is a wasteful number, since it uses less digits than its factorization.

1202212220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551979929 (or 551979915 counting only the distinct ones).

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

Adding to 1202212220022 its reverse (2200222122021), we get a palindrome (3402434342043).

The spelling of 1202212220022 in words is "one trillion, two hundred two billion, two hundred twelve million, two hundred twenty thousand, twenty-two".