20013232130312 has 8 divisors (see below), whose sum is σ = 37524810244350. Its totient is φ = 10006616065152.

The previous prime is 20013232130279. The next prime is 20013232130329. The reversal of 20013232130312 is 21303123231002.

It can be written as a sum of positive squares in only one way, i.e., 16608934064836 + 3404298065476 = 4075406^2 + 1845074^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250827008137 + ... + 1250827008152.

Almost surely, 2^{20013232130312} is an apocalyptic number.

It is an amenable number.

20013232130312 is a deficient number, since it is larger than the sum of its proper divisors (17511578114038).

20013232130312 is a wasteful number, since it uses less digits than its factorization.

20013232130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501654016295 (or 2501654016291 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20013232130312 its reverse (21303123231002), we get a palindrome (41316355361314).

The spelling of 20013232130312 in words is "twenty trillion, thirteen billion, two hundred thirty-two million, one hundred thirty thousand, three hundred twelve".