30212031000000 has 196 divisors, whose sum is σ = 99918729305144. Its totient is φ = 8056540800000.

The previous prime is 30212030999963. The next prime is 30212031000001. The reversal of 30212031000000 is 13021203.

It is a happy number.

It is a super-2 number, since 2×30212031000000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 30212031000000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212031000001) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2035339 + ... + 8035338.

Almost surely, 2^{30212031000000} is an apocalyptic number.

30212031000000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30212031000000 is an abundant number, since it is smaller than the sum of its proper divisors (69706698305144).

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

30212031000000 is an frugal number, since it uses more digits than its factorization.

30212031000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10070722 (or 10070687 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30212031000000 its reverse (13021203), we get a palindrome (30212044021203).

The spelling of 30212031000000 in words is "thirty trillion, two hundred twelve billion, thirty-one million", and thus it is an aban number.