2729212122 has 32 divisors (see below), whose sum is σ = 6718061952. Its totient is φ = 719792064.

The previous prime is 2729212111. The next prime is 2729212139. The reversal of 2729212122 is 2212129272.

2729212122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2729212122.

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, 2498733 + ... + 2499824.

It is an arithmetic number, because the mean of its divisors is an integer number (209939436).

Almost surely, 2^2729212122 is an apocalyptic number.

2729212122 is an abundant number, since it is smaller than the sum of its proper divisors (3988849830).

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

2729212122 is a wasteful number, since it uses less digits than its factorization.

2729212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998582.

The product of its digits is 4032, while the sum is 30.

The square root of 2729212122 is about 52241.8617776970. The cubic root of 2729212122 is about 1397.4805233657.

The spelling of 2729212122 in words is "two billion, seven hundred twenty-nine million, two hundred twelve thousand, one hundred twenty-two".