2012111200220 has 48 divisors (see below), whose sum is σ = 4627500016608. Its totient is φ = 728829788160.

The previous prime is 2012111200159. The next prime is 2012111200277. The reversal of 2012111200220 is 220021112102.

It is a junction number, because it is equal to n+sod(n) for n = 2012111200195 and 2012111200204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17737157 + ... + 17850236.

It is an arithmetic number, because the mean of its divisors is an integer number (96406250346).

Almost surely, 2^{2012111200220} is an apocalyptic number.

2012111200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012111200220 is an abundant number, since it is smaller than the sum of its proper divisors (2615388816388).

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

2012111200220 is a wasteful number, since it uses less digits than its factorization.

2012111200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35587670 (or 35587668 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2012111200220 its reverse (220021112102), we get a palindrome (2232132312322).

The spelling of 2012111200220 in words is "two trillion, twelve billion, one hundred eleven million, two hundred thousand, two hundred twenty".