12201001986 has 16 divisors (see below), whose sum is σ = 24802037568. Its totient is φ = 4000328400.

The previous prime is 12201001963. The next prime is 12201001987. The reversal of 12201001986 is 68910010221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12201001987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16667670 + ... + 16668401.

It is an arithmetic number, because the mean of its divisors is an integer number (1550127348).

Almost surely, 2^12201001986 is an apocalyptic number.

12201001986 is an abundant number, since it is smaller than the sum of its proper divisors (12601035582).

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

12201001986 is a wasteful number, since it uses less digits than its factorization.

12201001986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33336137.

The product of its (nonzero) digits is 1728, while the sum is 30.

The spelling of 12201001986 in words is "twelve billion, two hundred one million, one thousand, nine hundred eighty-six".