220202002121012 has 12 divisors (see below), whose sum is σ = 385354500524196. Its totient is φ = 110100716256960.

The previous prime is 220202002120979. The next prime is 220202002121069. The reversal of 220202002121012 is 210121200202022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12786817649956 + 207415184471056 = 3575866^2 + 14401916^2 .

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 3 ways as a sum of consecutive naturals, for example, 69456503 + ... + 72557630.

It is an arithmetic number, because the mean of its divisors is an integer number (32112875043683).

Almost surely, 2^{220202002121012} is an apocalyptic number.

It is an amenable number.

220202002121012 is a deficient number, since it is larger than the sum of its proper divisors (165152498403184).

220202002121012 is a wasteful number, since it uses less digits than its factorization.

220202002121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142401778 (or 142401776 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220202002121012 its reverse (210121200202022), we get a palindrome (430323202323034).

The spelling of 220202002121012 in words is "two hundred twenty trillion, two hundred two billion, two million, one hundred twenty-one thousand, twelve".