201002122012 has 24 divisors (see below), whose sum is σ = 374210277840. Its totient is φ = 94140936960.

The previous prime is 201002121977. The next prime is 201002122019. The reversal of 201002122012 is 210221200102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201002121983 and 201002122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002122019) 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, 6990187 + ... + 7018882.

It is an arithmetic number, because the mean of its divisors is an integer number (15592094910).

Almost surely, 2^201002122012 is an apocalyptic number.

It is an amenable number.

201002122012 is a deficient number, since it is larger than the sum of its proper divisors (173208155828).

201002122012 is a wasteful number, since it uses less digits than its factorization.

201002122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14009301 (or 14009299 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201002122012 its reverse (210221200102), we get a palindrome (411223322114).

The spelling of 201002122012 in words is "two hundred one billion, two million, one hundred twenty-two thousand, twelve".