211212022013 has 8 divisors (see below), whose sum is σ = 226974114432. Its totient is φ = 195820802496.

The previous prime is 211212021997. The next prime is 211212022019. The reversal of 211212022013 is 310220212112.

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 211212022013 - 2⁴ = 211212021997 is a prime.

It is a super-2 number, since 2×211212022013² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 211212021982 and 211212022000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211212022019) 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, 92717045 + ... + 92719322.

It is an arithmetic number, because the mean of its divisors is an integer number (28371764304).

Almost surely, 2^211212022013 is an apocalyptic number.

It is an amenable number.

211212022013 is a deficient number, since it is larger than the sum of its proper divisors (15762092419).

211212022013 is a wasteful number, since it uses less digits than its factorization.

211212022013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185436451.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 211212022013 its reverse (310220212112), we get a palindrome (521432234125).

The spelling of 211212022013 in words is "two hundred eleven billion, two hundred twelve million, twenty-two thousand, thirteen".