212211211302 has 48 divisors (see below), whose sum is σ = 466287157440. Its totient is φ = 69743520000.

The previous prime is 212211211253. The next prime is 212211211309. The reversal of 212211211302 is 203112112212.

212211211302 is a `hidden beast` number, since 21 + 221 + 121 + 1 + 302 = 666.

212211211302 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 (212211211309) 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, 190302 + ... + 678702.

It is an arithmetic number, because the mean of its divisors is an integer number (9714315780).

Almost surely, 2^212211211302 is an apocalyptic number.

212211211302 is an abundant number, since it is smaller than the sum of its proper divisors (254075946138).

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

212211211302 is a wasteful number, since it uses less digits than its factorization.

212211211302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488749 (or 488746 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 212211211302 its reverse (203112112212), we get a palindrome (415323323514).

The spelling of 212211211302 in words is "two hundred twelve billion, two hundred eleven million, two hundred eleven thousand, three hundred two".