12101361696 has 36 divisors (see below), whose sum is σ = 34413248142. Its totient is φ = 4033787136.

The previous prime is 12101361691. The next prime is 12101361697. The reversal of 12101361696 is 69616310121.

12101361696 is a `hidden beast` number, since 1 + 21 + 0 + 13 + 616 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9181472400 + 2919889296 = 95820^2 + 54036^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12101361696.

It is not an unprimeable number, because it can be changed into a prime (12101361691) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21009021 + ... + 21009596.

Almost surely, 2^12101361696 is an apocalyptic number.

12101361696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12101361696 is an abundant number, since it is smaller than the sum of its proper divisors (22311886446).

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

12101361696 is a wasteful number, since it uses less digits than its factorization.

12101361696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42018633 (or 42018622 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 12101361696 in words is "twelve billion, one hundred one million, three hundred sixty-one thousand, six hundred ninety-six".