20000312212 has 12 divisors (see below), whose sum is σ = 35001598996. Its totient is φ = 9999855360.

The previous prime is 20000312203. The next prime is 20000312219. The reversal of 20000312212 is 21221300002.

It can be written as a sum of positive squares in 2 ways, for example, as 6757826436 + 13242485776 = 82206^2 + 115076^2 .

It is a super-3 number, since 3×20000312212³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20000312192 and 20000312201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000312219) 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, 148162 + ... + 248902.

Almost surely, 2^20000312212 is an apocalyptic number.

It is an amenable number.

20000312212 is a deficient number, since it is larger than the sum of its proper divisors (15001286784).

20000312212 is a wasteful number, since it uses less digits than its factorization.

20000312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150378 (or 150376 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20000312212 its reverse (21221300002), we get a palindrome (41221612214).

The spelling of 20000312212 in words is "twenty billion, three hundred twelve thousand, two hundred twelve".