20121122212003 has 8 divisors (see below), whose sum is σ = 20492091356256. Its totient is φ = 19752585652800.

The previous prime is 20121122211877. The next prime is 20121122212021. The reversal of 20121122212003 is 30021222112102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20121122212003 - 2²⁹ = 20120585341091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20121122216003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608129568 + ... + 608162653.

It is an arithmetic number, because the mean of its divisors is an integer number (2561511419532).

Almost surely, 2^{20121122212003} is an apocalyptic number.

20121122212003 is a deficient number, since it is larger than the sum of its proper divisors (370969144253).

20121122212003 is a wasteful number, since it uses less digits than its factorization.

20121122212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216292525.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20121122212003 its reverse (30021222112102), we get a palindrome (50142344324105).

Subtracting 20121122212003 from its reverse (30021222112102), we obtain a palindrome (9900099900099).

The spelling of 20121122212003 in words is "twenty trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred twelve thousand, three".