211212004302 has 64 divisors (see below), whose sum is σ = 512583966720. Its totient is φ = 64072965600.

The previous prime is 211212004279. The next prime is 211212004303. The reversal of 211212004302 is 203400212112.

It is a happy number.

211212004302 is a `hidden beast` number, since 2 + 11 + 21 + 200 + 430 + 2 = 666.

It is a super-2 number, since 2×211212004302² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211212004303) 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, 2068974 + ... + 2168657.

It is an arithmetic number, because the mean of its divisors is an integer number (8009124480).

Almost surely, 2^211212004302 is an apocalyptic number.

211212004302 is an abundant number, since it is smaller than the sum of its proper divisors (301371962418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211212004302 is a wasteful number, since it uses less digits than its factorization.

211212004302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237726 (or 4237720 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 211212004302 its reverse (203400212112), we get a palindrome (414612216414).

The spelling of 211212004302 in words is "two hundred eleven billion, two hundred twelve million, four thousand, three hundred two".