1210856700960 has 960 divisors, whose sum is σ = 4544527680000. Its totient is φ = 303013675008.

The previous prime is 1210856700953. The next prime is 1210856700973. The reversal of 1210856700960 is 690076580121.

1210856700960 is a `hidden beast` number, since 1 + 21 + 0 + 8 + 567 + 0 + 0 + 9 + 60 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 6084706941 + ... + 6084707139.

It is an arithmetic number, because the mean of its divisors is an integer number (4733883000).

Almost surely, 2^{1210856700960} is an apocalyptic number.

1210856700960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210856700960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2272263840000).

1210856700960 is an abundant number, since it is smaller than the sum of its proper divisors (3333670979040).

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

1210856700960 is a wasteful number, since it uses less digits than its factorization.

1210856700960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 1210856700960 in words is "one trillion, two hundred ten billion, eight hundred fifty-six million, seven hundred thousand, nine hundred sixty".