1206890685000 has 2400 divisors, whose sum is σ = 5727667809600. Its totient is φ = 230480640000.

The previous prime is 1206890684983. The next prime is 1206890685001. The reversal of 1206890685000 is 5860986021.

1206890685000 is a `hidden beast` number, since 1 + 2 + 0 + 6 + 89 + 0 + 68 + 500 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1206890685001) by changing a digit.

It is a polite number, since it can be written in 599 ways as a sum of consecutive naturals, for example, 5270264886 + ... + 5270265114.

It is an arithmetic number, because the mean of its divisors is an integer number (2386528254).

Almost surely, 2^{1206890685000} is an apocalyptic number.

1206890685000 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 1206890685000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2863833904800).

1206890685000 is an abundant number, since it is smaller than the sum of its proper divisors (4520777124600).

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

1206890685000 is a wasteful number, since it uses less digits than its factorization.

1206890685000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 1206890685000 in words is "one trillion, two hundred six billion, eight hundred ninety million, six hundred eighty-five thousand".