212010121001 has 8 divisors (see below), whose sum is σ = 248206971264. Its totient is φ = 177290693280.

The previous prime is 212010120989. The next prime is 212010121031. The reversal of 212010121001 is 100121010212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212010121001 is a prime.

It is a super-2 number, since 2×212010121001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212010121031) 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, 369355325 + ... + 369355898.

It is an arithmetic number, because the mean of its divisors is an integer number (31025871408).

Almost surely, 2^212010121001 is an apocalyptic number.

It is an amenable number.

212010121001 is a deficient number, since it is larger than the sum of its proper divisors (36196850263).

212010121001 is an equidigital number, since it uses as much as digits as its factorization.

212010121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738711271.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212010121001 its reverse (100121010212), we get a palindrome (312131131213).

The spelling of 212010121001 in words is "two hundred twelve billion, ten million, one hundred twenty-one thousand, one".