2012211020 has 24 divisors (see below), whose sum is σ = 4226573904. Its totient is φ = 804707136.

The previous prime is 2012211007. The next prime is 2012211037. The reversal of 2012211020 is 201122102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2012210992 and 2012211010.

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, 119567 + ... + 135353.

It is an arithmetic number, because the mean of its divisors is an integer number (176107246).

Almost surely, 2^2012211020 is an apocalyptic number.

2012211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012211020 is an abundant number, since it is smaller than the sum of its proper divisors (2214362884).

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

2012211020 is a wasteful number, since it uses less digits than its factorization.

2012211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22169 (or 22167 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2012211020 is about 44857.6751515279. The cubic root of 2012211020 is about 1262.4800025588.

Adding to 2012211020 its reverse (201122102), we get a palindrome (2213333122).

The spelling of 2012211020 in words is "two billion, twelve million, two hundred eleven thousand, twenty".