10200012100002 has 32 divisors (see below), whose sum is σ = 22768337948160. Its totient is φ = 3384757374480.

The previous prime is 10200012100001. The next prime is 10200012100009. The reversal of 10200012100002 is 20000121000201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10200012100001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423506149 + ... + 423530232.

It is an arithmetic number, because the mean of its divisors is an integer number (711510560880).

Almost surely, 2^{10200012100002} is an apocalyptic number.

10200012100002 is an abundant number, since it is smaller than the sum of its proper divisors (12568325848158).

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

10200012100002 is a wasteful number, since it uses less digits than its factorization.

10200012100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847036615 (or 847036609 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10200012100002 its reverse (20000121000201), we get a palindrome (30200133100203).

The spelling of 10200012100002 in words is "ten trillion, two hundred billion, twelve million, one hundred thousand, two".