20212331203012 has 12 divisors (see below), whose sum is σ = 38092470344236. Its totient is φ = 9328768247520.

The previous prime is 20212331202997. The next prime is 20212331203027. The reversal of 20212331203012 is 21030213321202.

It is an interprime number because it is at equal distance from previous prime (20212331202997) and next prime (20212331203027).

It can be written as a sum of positive squares in 2 ways, for example, as 6288940466176 + 13923390736836 = 2507776^2 + 3731406^2 .

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 3 ways as a sum of consecutive naturals, for example, 194349338439 + ... + 194349338542.

Almost surely, 2^{20212331203012} is an apocalyptic number.

It is an amenable number.

20212331203012 is a deficient number, since it is larger than the sum of its proper divisors (17880139141224).

20212331203012 is a wasteful number, since it uses less digits than its factorization.

20212331203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388698676998 (or 388698676996 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20212331203012 its reverse (21030213321202), we get a palindrome (41242544524214).

The spelling of 20212331203012 in words is "twenty trillion, two hundred twelve billion, three hundred thirty-one million, two hundred three thousand, twelve".