20012012100010 has 16 divisors (see below), whose sum is σ = 41167567748736. Its totient is φ = 6861261291408.

The previous prime is 20012012099993. The next prime is 20012012100029. The reversal of 20012012100010 is 1000121021002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 20012012100010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142942943502 + ... + 142942943641.

It is an arithmetic number, because the mean of its divisors is an integer number (2572972984296).

Almost surely, 2^{20012012100010} is an apocalyptic number.

20012012100010 is an abundant number, since it is smaller than the sum of its proper divisors (21155555648726).

20012012100010 is a wasteful number, since it uses less digits than its factorization.

20012012100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285885887157.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20012012100010 its reverse (1000121021002), we get a palindrome (21012133121012).

The spelling of 20012012100010 in words is "twenty trillion, twelve billion, twelve million, one hundred thousand, ten".