201212012120012 has 24 divisors (see below), whose sum is σ = 367487238085632. Its totient is φ = 96217006173200.

The previous prime is 201212012120011. The next prime is 201212012120071. The reversal of 201212012120012 is 210021210212102.

It is not an unprimeable number, because it can be changed into a prime (201212012120011) 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, 167873564 + ... + 169067907.

It is an arithmetic number, because the mean of its divisors is an integer number (15311968253568).

Almost surely, 2^{201212012120012} is an apocalyptic number.

It is an amenable number.

201212012120012 is a deficient number, since it is larger than the sum of its proper divisors (166275225965620).

201212012120012 is a wasteful number, since it uses less digits than its factorization.

201212012120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336947989 (or 336947987 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201212012120012 its reverse (210021210212102), we get a palindrome (411233222332114).

The spelling of 201212012120012 in words is "two hundred one trillion, two hundred twelve billion, twelve million, one hundred twenty thousand, twelve".