20001201200102 has 16 divisors (see below), whose sum is σ = 30059719887600. Its totient is φ = 9981300643200.

The previous prime is 20001201200081. The next prime is 20001201200111. The reversal of 20001201200102 is 20100210210002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5086649 + ... + 8116427.

It is an arithmetic number, because the mean of its divisors is an integer number (1878732492975).

Almost surely, 2^{20001201200102} is an apocalyptic number.

20001201200102 is a deficient number, since it is larger than the sum of its proper divisors (10058518687498).

20001201200102 is a wasteful number, since it uses less digits than its factorization.

20001201200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036151.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20001201200102 its reverse (20100210210002), we get a palindrome (40101411410104).

The spelling of 20001201200102 in words is "twenty trillion, one billion, two hundred one million, two hundred thousand, one hundred two".