2185748010612 has 144 divisors (see below), whose sum is σ = 5794796559552. Its totient is φ = 694073318400.

The previous prime is 2185748010599. The next prime is 2185748010629. The reversal of 2185748010612 is 2160108475812.

2185748010612 is a `hidden beast` number, since 2 + 1 + 8 + 57 + 480 + 106 + 12 = 666.

It is a super-2 number, since 2×2185748010612² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10370988 + ... + 10579644.

Almost surely, 2^{2185748010612} 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 2185748010612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2897398279776).

2185748010612 is an abundant number, since it is smaller than the sum of its proper divisors (3609048548940).

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

2185748010612 is a wasteful number, since it uses less digits than its factorization.

2185748010612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208878 (or 208873 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 2185748010612 in words is "two trillion, one hundred eighty-five billion, seven hundred forty-eight million, ten thousand, six hundred twelve".