2312500612644 has 144 divisors (see below), whose sum is σ = 6166519632000. Its totient is φ = 729667169280.

The previous prime is 2312500612633. The next prime is 2312500612717. The reversal of 2312500612644 is 4462160052132.

2312500612644 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 5 + 0 + 0 + 6 + 1 + 2 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2312500612599 and 2312500612608.

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 47 ways as a sum of consecutive naturals, for example, 13181052 + ... + 13355340.

It is an arithmetic number, because the mean of its divisors is an integer number (42823053000).

Almost surely, 2^{2312500612644} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312500612644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3083259816000).

2312500612644 is an abundant number, since it is smaller than the sum of its proper divisors (3854019019356).

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

2312500612644 is a wasteful number, since it uses less digits than its factorization.

2312500612644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174578 (or 174573 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 2312500612644 its reverse (4462160052132), we get a palindrome (6774660664776).

The spelling of 2312500612644 in words is "two trillion, three hundred twelve billion, five hundred million, six hundred twelve thousand, six hundred forty-four".