2012203434220 has 48 divisors (see below), whose sum is σ = 4831574465088. Its totient is φ = 689571717120.

The previous prime is 2012203434211. The next prime is 2012203434223. The reversal of 2012203434220 is 224343022102.

It is not an unprimeable number, because it can be changed into a prime (2012203434223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3105241 + ... + 3696880.

It is an arithmetic number, because the mean of its divisors is an integer number (100657801356).

Almost surely, 2^{2012203434220} is an apocalyptic number.

2012203434220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012203434220 is an abundant number, since it is smaller than the sum of its proper divisors (2819371030868).

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

2012203434220 is a wasteful number, since it uses less digits than its factorization.

2012203434220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804250 (or 6804248 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2012203434220 its reverse (224343022102), we get a palindrome (2236546456322).

The spelling of 2012203434220 in words is "two trillion, twelve billion, two hundred three million, four hundred thirty-four thousand, two hundred twenty".