30212011321212 has 48 divisors (see below), whose sum is σ = 80578034449920. Its totient is φ = 8630645635392.

The previous prime is 30212011321199. The next prime is 30212011321223. The reversal of 30212011321212 is 21212311021203.

It is a super-2 number, since 2×30212011321212² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27745983 + ... + 28814294.

It is an arithmetic number, because the mean of its divisors is an integer number (1678709051040).

Almost surely, 2^{30212011321212} is an apocalyptic number.

It is an amenable number.

30212011321212 is an abundant number, since it is smaller than the sum of its proper divisors (50366023128708).

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

30212011321212 is a wasteful number, since it uses less digits than its factorization.

30212011321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56566650 (or 56566648 counting only the distinct ones).

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

Adding to 30212011321212 its reverse (21212311021203), we get a palindrome (51424322342415).

The spelling of 30212011321212 in words is "thirty trillion, two hundred twelve billion, eleven million, three hundred twenty-one thousand, two hundred twelve".