212102213001 has 32 divisors (see below), whose sum is σ = 333701971968. Its totient is φ = 117265993920.

The previous prime is 212102212997. The next prime is 212102213003. The reversal of 212102213001 is 100312201212.

It is not a de Polignac number, because 212102213001 - 2² = 212102212997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212102213003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3178360 + ... + 3244406.

It is an arithmetic number, because the mean of its divisors is an integer number (10428186624).

Almost surely, 2^212102213001 is an apocalyptic number.

212102213001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212102213001 is a deficient number, since it is larger than the sum of its proper divisors (121599758967).

212102213001 is a wasteful number, since it uses less digits than its factorization.

212102213001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71021.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212102213001 its reverse (100312201212), we get a palindrome (312414414213).

The spelling of 212102213001 in words is "two hundred twelve billion, one hundred two million, two hundred thirteen thousand, one".