20011212021230 has 32 divisors (see below), whose sum is σ = 36036355742208. Its totient is φ = 8000891046400.

The previous prime is 20011212021223. The next prime is 20011212021253. The reversal of 20011212021230 is 3212021211002.

It is a junction number, because it is equal to n+sod(n) for n = 20011212021199 and 20011212021208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522180470 + ... + 522218790.

It is an arithmetic number, because the mean of its divisors is an integer number (1126136116944).

Almost surely, 2^{20011212021230} is an apocalyptic number.

20011212021230 is a deficient number, since it is larger than the sum of its proper divisors (16025143720978).

20011212021230 is a wasteful number, since it uses less digits than its factorization.

20011212021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60412.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20011212021230 its reverse (3212021211002), we get a palindrome (23223233232232).

The spelling of 20011212021230 in words is "twenty trillion, eleven billion, two hundred twelve million, twenty-one thousand, two hundred thirty".