100001212010 has 64 divisors (see below), whose sum is σ = 209896807680. Its totient is φ = 33596467200.

The previous prime is 100001211979. The next prime is 100001212039. The reversal of 100001212010 is 10212100001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 612881 + ... + 758699.

It is an arithmetic number, because the mean of its divisors is an integer number (3279637620).

Almost surely, 2^100001212010 is an apocalyptic number.

100001212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100001212010 is an abundant number, since it is smaller than the sum of its proper divisors (109895595670).

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

100001212010 is a wasteful number, since it uses less digits than its factorization.

100001212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146031.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100001212010 its reverse (10212100001), we get a palindrome (110213312011).

The spelling of 100001212010 in words is "one hundred billion, one million, two hundred twelve thousand, ten".