12065701650 has 24 divisors (see below), whose sum is σ = 29922940464. Its totient is φ = 3217520400.

The previous prime is 12065701631. The next prime is 12065701657. The reversal of 12065701650 is 5610756021.

It is not an unprimeable number, because it can be changed into a prime (12065701657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40218856 + ... + 40219155.

It is an arithmetic number, because the mean of its divisors is an integer number (1246789186).

Almost surely, 2^12065701650 is an apocalyptic number.

12065701650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12065701650 is an abundant number, since it is smaller than the sum of its proper divisors (17857238814).

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

12065701650 is a wasteful number, since it uses less digits than its factorization.

12065701650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80438026 (or 80438021 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 12065701650 in words is "twelve billion, sixty-five million, seven hundred one thousand, six hundred fifty".