1601214071112 has 160 divisors (see below), whose sum is σ = 4610848651200. Its totient is φ = 518776742016.

The previous prime is 1601214071089. The next prime is 1601214071113. The reversal of 1601214071112 is 2111704121061.

1601214071112 is a `hidden beast` number, since 1 + 601 + 2 + 1 + 40 + 7 + 1 + 1 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1601214071113) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23534439 + ... + 23602377.

It is an arithmetic number, because the mean of its divisors is an integer number (28817804070).

Almost surely, 2^{1601214071112} is an apocalyptic number.

1601214071112 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 1601214071112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2305424325600).

1601214071112 is an abundant number, since it is smaller than the sum of its proper divisors (3009634580088).

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

1601214071112 is a wasteful number, since it uses less digits than its factorization.

1601214071112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68977 (or 68964 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

Adding to 1601214071112 its reverse (2111704121061), we get a palindrome (3712918192173).

The spelling of 1601214071112 in words is "one trillion, six hundred one billion, two hundred fourteen million, seventy-one thousand, one hundred twelve".