20213103201312 has 96 divisors (see below), whose sum is σ = 60680257432704. Its totient is φ = 5771272550400.

The previous prime is 20213103201299. The next prime is 20213103201337. The reversal of 20213103201312 is 21310230131202.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9159739 + ... + 11150202.

It is an arithmetic number, because the mean of its divisors is an integer number (632086014924).

Almost surely, 2^{20213103201312} is an apocalyptic number.

It is an amenable number.

20213103201312 is an abundant number, since it is smaller than the sum of its proper divisors (40467154231392).

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

20213103201312 is a wasteful number, since it uses less digits than its factorization.

20213103201312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20311442 (or 20311434 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20213103201312 its reverse (21310230131202), we get a palindrome (41523333332514).

The spelling of 20213103201312 in words is "twenty trillion, two hundred thirteen billion, one hundred three million, two hundred one thousand, three hundred twelve".