30212311011222 has 16 divisors (see below), whose sum is σ = 63979011553392. Its totient is φ = 9478372081920.

The previous prime is 30212311011199. The next prime is 30212311011227. The reversal of 30212311011222 is 22211011321203.

It is a super-2 number, since 2×30212311011222² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212311011227) 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, 148099563679 + ... + 148099563882.

It is an arithmetic number, because the mean of its divisors is an integer number (3998688222087).

Almost surely, 2^{30212311011222} is an apocalyptic number.

30212311011222 is an abundant number, since it is smaller than the sum of its proper divisors (33766700542170).

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

30212311011222 is a wasteful number, since it uses less digits than its factorization.

30212311011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296199127583.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 30212311011222 its reverse (22211011321203), we get a palindrome (52423322332425).

The spelling of 30212311011222 in words is "thirty trillion, two hundred twelve billion, three hundred eleven million, eleven thousand, two hundred twenty-two".