10021212001 has 4 divisors (see below), whose sum is σ = 10162355904. Its totient is φ = 9880068100.

The previous prime is 10021211989. The next prime is 10021212011.

10021212001 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10021212001 - 2¹⁹ = 10020687713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021212011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70571845 + ... + 70571986.

It is an arithmetic number, because the mean of its divisors is an integer number (2540588976).

Almost surely, 2^10021212001 is an apocalyptic number.

It is an amenable number.

10021212001 is a deficient number, since it is larger than the sum of its proper divisors (141143903).

10021212001 is an equidigital number, since it uses as much as digits as its factorization.

10021212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141143902.

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

The spelling of 10021212001 in words is "ten billion, twenty-one million, two hundred twelve thousand, one".