2115233612420 has 24 divisors (see below), whose sum is σ = 4442025153048. Its totient is φ = 846086860800.

The previous prime is 2115233612413. The next prime is 2115233612461. The reversal of 2115233612420 is 242163325112.

It can be written as a sum of positive squares in 4 ways, for example, as 12542208064 + 2102691404356 = 111992^2 + 1450066^2 .

It is a super-2 number, since 2×2115233612420² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2855390 + ... + 3519050.

It is an arithmetic number, because the mean of its divisors is an integer number (185084381377).

Almost surely, 2^{2115233612420} is an apocalyptic number.

2115233612420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115233612420 is an abundant number, since it is smaller than the sum of its proper divisors (2326791540628).

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

2115233612420 is a wasteful number, since it uses less digits than its factorization.

2115233612420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823031 (or 823029 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 2115233612420 its reverse (242163325112), we get a palindrome (2357396937532).

The spelling of 2115233612420 in words is "two trillion, one hundred fifteen billion, two hundred thirty-three million, six hundred twelve thousand, four hundred twenty".