30134400212 has 24 divisors (see below), whose sum is σ = 61117660800. Its totient is φ = 12732844320.

The previous prime is 30134400203. The next prime is 30134400251. The reversal of 30134400212 is 21200443103.

It is a super-2 number, since 2×30134400212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7577087 + ... + 7581062.

It is an arithmetic number, because the mean of its divisors is an integer number (2546569200).

Almost surely, 2^30134400212 is an apocalyptic number.

It is an amenable number.

30134400212 is an abundant number, since it is smaller than the sum of its proper divisors (30983260588).

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

30134400212 is a wasteful number, since it uses less digits than its factorization.

30134400212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15158231 (or 15158229 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30134400212 its reverse (21200443103), we get a palindrome (51334843315).

The spelling of 30134400212 in words is "thirty billion, one hundred thirty-four million, four hundred thousand, two hundred twelve".