100212001 has 8 divisors (see below), whose sum is σ = 101291904. Its totient is φ = 99138000.

The previous prime is 100211981. The next prime is 100212043.

100212001 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100212001 - 2¹¹ = 100209953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100212071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38136 + ... + 40678.

It is an arithmetic number, because the mean of its divisors is an integer number (12661488).

Almost surely, 2^100212001 is an apocalyptic number.

It is an amenable number.

100212001 is a deficient number, since it is larger than the sum of its proper divisors (1079903).

100212001 is a wasteful number, since it uses less digits than its factorization.

100212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 100212001 is about 10010.5944378943. The cubic root of 100212001 is about 464.4866589992.

The spelling of 100212001 in words is "one hundred million, two hundred twelve thousand, one".