12220201202120 has 16 divisors (see below), whose sum is σ = 27495452704860. Its totient is φ = 4888080480832.

The previous prime is 12220201202113. The next prime is 12220201202129. The reversal of 12220201202120 is 2120210202221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11587256848036 + 632944354084 = 3404006^2 + 795578^2 .

It is not an unprimeable number, because it can be changed into a prime (12220201202129) 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, 152752514987 + ... + 152752515066.

Almost surely, 2^{12220201202120} is an apocalyptic number.

12220201202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220201202120 is an abundant number, since it is smaller than the sum of its proper divisors (15275251502740).

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

12220201202120 is a wasteful number, since it uses less digits than its factorization.

12220201202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305505030064 (or 305505030060 counting only the distinct ones).

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

Adding to 12220201202120 its reverse (2120210202221), we get a palindrome (14340411404341).

The spelling of 12220201202120 in words is "twelve trillion, two hundred twenty billion, two hundred one million, two hundred two thousand, one hundred twenty".