2112145232502 has 64 divisors (see below), whose sum is σ = 4569213680640. Its totient is φ = 648354894336.

The previous prime is 2112145232501. The next prime is 2112145232513. The reversal of 2112145232502 is 2052325412112.

It is a super-2 number, since 2×2112145232502² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112145232502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112145232501) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 17721553 + ... + 17840339.

It is an arithmetic number, because the mean of its divisors is an integer number (71393963760).

Almost surely, 2^{2112145232502} is an apocalyptic number.

2112145232502 is an abundant number, since it is smaller than the sum of its proper divisors (2457068448138).

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

2112145232502 is a wasteful number, since it uses less digits than its factorization.

2112145232502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122565.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 2112145232502 in words is "two trillion, one hundred twelve billion, one hundred forty-five million, two hundred thirty-two thousand, five hundred two".