2115071212 has 24 divisors (see below), whose sum is σ = 3798791136. Its totient is φ = 1029994368.

The previous prime is 2115071183. The next prime is 2115071213. The reversal of 2115071212 is 2121705112.

It is a super-2 number, since 2×2115071212² = 8947052463662297888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2115071213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7368 + ... + 65455.

It is an arithmetic number, because the mean of its divisors is an integer number (158282964).

Almost surely, 2^2115071212 is an apocalyptic number.

It is an amenable number.

2115071212 is a deficient number, since it is larger than the sum of its proper divisors (1683719924).

2115071212 is a wasteful number, since it uses less digits than its factorization.

2115071212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73017 (or 73015 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 2115071212 is about 45989.9033701964. The cubic root of 2115071212 is about 1283.6353384852.

Adding to 2115071212 its reverse (2121705112), we get a palindrome (4236776324).

The spelling of 2115071212 in words is "two billion, one hundred fifteen million, seventy-one thousand, two hundred twelve".