20213203344012 has 36 divisors (see below), whose sum is σ = 58393698550096. Its totient is φ = 5775200955360.

The previous prime is 20213203344007. The next prime is 20213203344029. The reversal of 20213203344012 is 21044330231202.

20213203344012 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 3 + 203 + 3 + 440 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×20213203344012² (a number of 27 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 40105561939 + ... + 40105562442.

Almost surely, 2^{20213203344012} is an apocalyptic number.

It is an amenable number.

20213203344012 is an abundant number, since it is smaller than the sum of its proper divisors (38180495206084).

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

20213203344012 is a wasteful number, since it uses less digits than its factorization.

20213203344012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80211124398 (or 80211124393 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20213203344012 its reverse (21044330231202), we get a palindrome (41257533575214).

The spelling of 20213203344012 in words is "twenty trillion, two hundred thirteen billion, two hundred three million, three hundred forty-four thousand, twelve".