1202002212220 has 24 divisors (see below), whose sum is σ = 2530693620000. Its totient is φ = 479564889792.

The previous prime is 1202002212199. The next prime is 1202002212221. The reversal of 1202002212220 is 222122002021.

It is a junction number, because it is equal to n+sod(n) for n = 1202002212194 and 1202002212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202002212221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77241720 + ... + 77257279.

It is an arithmetic number, because the mean of its divisors is an integer number (105445567500).

Almost surely, 2^{1202002212220} is an apocalyptic number.

1202002212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202002212220 is an abundant number, since it is smaller than the sum of its proper divisors (1328691407780).

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

1202002212220 is a wasteful number, since it uses less digits than its factorization.

1202002212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154499397 (or 154499395 counting only the distinct ones).

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

Adding to 1202002212220 its reverse (222122002021), we get a palindrome (1424124214241).

The spelling of 1202002212220 in words is "one trillion, two hundred two billion, two million, two hundred twelve thousand, two hundred twenty".