1206685639332 has 192 divisors, whose sum is σ = 3358815828480. Its totient is φ = 377952791040.

The previous prime is 1206685639331. The next prime is 1206685639381. The reversal of 1206685639332 is 2339365866021.

1206685639332 is a `hidden beast` number, since 12 + 0 + 6 + 68 + 563 + 9 + 3 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1206685639331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 96212982 + ... + 96225522.

It is an arithmetic number, because the mean of its divisors is an integer number (17493832440).

Almost surely, 2^{1206685639332} is an apocalyptic number.

1206685639332 is a gapful number since it is divisible by the number (12) 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 1206685639332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679407914240).

1206685639332 is an abundant number, since it is smaller than the sum of its proper divisors (2152130189148).

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

1206685639332 is a wasteful number, since it uses less digits than its factorization.

1206685639332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13230 (or 13210 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 54.

It can be divided in two parts, 120668 and 5639332, that added together give a square (5760000 = 2400²).

The spelling of 1206685639332 in words is "one trillion, two hundred six billion, six hundred eighty-five million, six hundred thirty-nine thousand, three hundred thirty-two".