2187212913360 has 100 divisors (see below), whose sum is σ = 7596514502148. Its totient is φ = 583256775168.

The previous prime is 2187212913359. The next prime is 2187212913383. The reversal of 2187212913360 is 633192127812.

It is a happy number.

2187212913360 is a `hidden beast` number, since 2 + 1 + 8 + 7 + 21 + 291 + 336 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1574743892544 + 612469020816 = 1254888^2 + 782604^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 168759949 + ... + 168772908.

Almost surely, 2^{2187212913360} is an apocalyptic number.

2187212913360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2187212913360 is an abundant number, since it is smaller than the sum of its proper divisors (5409301588788).

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

2187212913360 is a wasteful number, since it uses less digits than its factorization.

2187212913360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337532882 (or 337532867 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 2187212913360 in words is "two trillion, one hundred eighty-seven billion, two hundred twelve million, nine hundred thirteen thousand, three hundred sixty".