100212120020001 has 16 divisors (see below), whose sum is σ = 148864425873408. Its totient is φ = 59442392274000.

The previous prime is 100212120019961. The next prime is 100212120020059. The reversal of 100212120020001 is 100020021212001.

It is not a de Polignac number, because 100212120020001 - 2¹⁰ = 100212120018977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100212120021001) 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, 32305646425 + ... + 32305649526.

It is an arithmetic number, because the mean of its divisors is an integer number (9304026617088).

Almost surely, 2^{100212120020001} is an apocalyptic number.

100212120020001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100212120020001 is a deficient number, since it is larger than the sum of its proper divisors (48652305853407).

100212120020001 is a wasteful number, since it uses less digits than its factorization.

100212120020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64611296012.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100212120020001 its reverse (100020021212001), we get a palindrome (200232141232002).

The spelling of 100212120020001 in words is "one hundred trillion, two hundred twelve billion, one hundred twenty million, twenty thousand, one".