100012121112010 has 64 divisors (see below), whose sum is σ = 181626910617600. Its totient is φ = 39648830538240.

The previous prime is 100012121111957. The next prime is 100012121112089. The reversal of 100012121112010 is 10211121210001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8970495916 + ... + 8970507064.

It is an arithmetic number, because the mean of its divisors is an integer number (2837920478400).

Almost surely, 2^{100012121112010} is an apocalyptic number.

100012121112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100012121112010 is a deficient number, since it is larger than the sum of its proper divisors (81614789505590).

100012121112010 is a wasteful number, since it uses less digits than its factorization.

100012121112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17951.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100012121112010 its reverse (10211121210001), we get a palindrome (110223242322011).

The spelling of 100012121112010 in words is "one hundred trillion, twelve billion, one hundred twenty-one million, one hundred twelve thousand, ten".