2209112537720 has 32 divisors (see below), whose sum is σ = 5422367139120. Its totient is φ = 803313649920.

The previous prime is 2209112537717. The next prime is 2209112537759. The reversal of 2209112537720 is 277352119022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2510354717 + ... + 2510355596.

Almost surely, 2^{2209112537720} is an apocalyptic number.

2209112537720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2209112537720 is an abundant number, since it is smaller than the sum of its proper divisors (3213254601400).

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

2209112537720 is a wasteful number, since it uses less digits than its factorization.

2209112537720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020710335 (or 5020710331 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 2209112537720 in words is "two trillion, two hundred nine billion, one hundred twelve million, five hundred thirty-seven thousand, seven hundred twenty".