2212134445220 has 48 divisors (see below), whose sum is σ = 5309704528128. Its totient is φ = 758362972800.

The previous prime is 2212134445211. The next prime is 2212134445231. The reversal of 2212134445220 is 225444312122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422945 + ... + 2145495.

It is an arithmetic number, because the mean of its divisors is an integer number (110618844336).

Almost surely, 2^{2212134445220} is an apocalyptic number.

2212134445220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212134445220 is an abundant number, since it is smaller than the sum of its proper divisors (3097570082908).

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

2212134445220 is a wasteful number, since it uses less digits than its factorization.

2212134445220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731740 (or 1731738 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 2212134445220 its reverse (225444312122), we get a palindrome (2437578757342).

The spelling of 2212134445220 in words is "two trillion, two hundred twelve billion, one hundred thirty-four million, four hundred forty-five thousand, two hundred twenty".