212021013001 has 24 divisors (see below), whose sum is σ = 252402829056. Its totient is φ = 177499486080.

The previous prime is 212021012911. The next prime is 212021013059. The reversal of 212021013001 is 100310120212.

It is not a de Polignac number, because 212021013001 - 2¹⁵ = 212020980233 is a prime.

It is a super-2 number, since 2×212021013001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212021013101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1027041 + ... + 1216081.

It is an arithmetic number, because the mean of its divisors is an integer number (10516784544).

Almost surely, 2^212021013001 is an apocalyptic number.

It is an amenable number.

212021013001 is a deficient number, since it is larger than the sum of its proper divisors (40381816055).

212021013001 is a wasteful number, since it uses less digits than its factorization.

212021013001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189589 (or 189582 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 212021013001 its reverse (100310120212), we get a palindrome (312331133213).

The spelling of 212021013001 in words is "two hundred twelve billion, twenty-one million, thirteen thousand, one".