20120230130212 has 12 divisors (see below), whose sum is σ = 37281602888460. Its totient is φ = 9468343590656.

The previous prime is 20120230130179. The next prime is 20120230130213. The reversal of 20120230130212 is 21203103202102.

It can be written as a sum of positive squares in 2 ways, for example, as 18888898130496 + 1231331999716 = 4346136^2 + 1109654^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20120230130212.

It is not an unprimeable number, because it can be changed into a prime (20120230130213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147942868537 + ... + 147942868672.

It is an arithmetic number, because the mean of its divisors is an integer number (3106800240705).

Almost surely, 2^{20120230130212} is an apocalyptic number.

It is an amenable number.

20120230130212 is a deficient number, since it is larger than the sum of its proper divisors (17161372758248).

20120230130212 is a wasteful number, since it uses less digits than its factorization.

20120230130212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295885737230 (or 295885737228 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20120230130212 its reverse (21203103202102), we get a palindrome (41323333332314).

The spelling of 20120230130212 in words is "twenty trillion, one hundred twenty billion, two hundred thirty million, one hundred thirty thousand, two hundred twelve".