11212202220212 has 24 divisors (see below), whose sum is σ = 22424635015104. Its totient is φ = 4805180114112.

The previous prime is 11212202220187. The next prime is 11212202220227. The reversal of 11212202220212 is 21202220221211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781808 + ... + 4799544.

It is an arithmetic number, because the mean of its divisors is an integer number (934359792296).

Almost surely, 2^{11212202220212} is an apocalyptic number.

It is an amenable number.

11212202220212 is an abundant number, since it is smaller than the sum of its proper divisors (11212432794892).

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

11212202220212 is a wasteful number, since it uses less digits than its factorization.

11212202220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117415 (or 4117413 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11212202220212 its reverse (21202220221211), we get a palindrome (32414422441423).

The spelling of 11212202220212 in words is "eleven trillion, two hundred twelve billion, two hundred two million, two hundred twenty thousand, two hundred twelve".