12202012101220 has 12 divisors (see below), whose sum is σ = 25624225412604. Its totient is φ = 4880804840480.

The previous prime is 12202012101163. The next prime is 12202012101229. The reversal of 12202012101220 is 2210121020221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8985893531904 + 3216118569316 = 2997648^2 + 1793354^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12202012101194 and 12202012101203.

It is not an unprimeable number, because it can be changed into a prime (12202012101229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305050302511 + ... + 305050302550.

It is an arithmetic number, because the mean of its divisors is an integer number (2135352117717).

Almost surely, 2^{12202012101220} is an apocalyptic number.

12202012101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202012101220 is an abundant number, since it is smaller than the sum of its proper divisors (13422213311384).

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

12202012101220 is a wasteful number, since it uses less digits than its factorization.

12202012101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610100605070 (or 610100605068 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12202012101220 its reverse (2210121020221), we get a palindrome (14412133121441).

The spelling of 12202012101220 in words is "twelve trillion, two hundred two billion, twelve million, one hundred one thousand, two hundred twenty".