21302012013122 has 16 divisors (see below), whose sum is σ = 32189822496000. Its totient is φ = 10572170535600.

The previous prime is 21302012013091. The next prime is 21302012013167. The reversal of 21302012013122 is 22131021020312.

It is a junction number, because it is equal to n+sod(n) for n = 21302012013094 and 21302012013103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24409004 + ... + 25266647.

It is an arithmetic number, because the mean of its divisors is an integer number (2011863906000).

Almost surely, 2^{21302012013122} is an apocalyptic number.

21302012013122 is a deficient number, since it is larger than the sum of its proper divisors (10887810482878).

21302012013122 is a wasteful number, since it uses less digits than its factorization.

21302012013122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49677241.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21302012013122 its reverse (22131021020312), we get a palindrome (43433033033434).

The spelling of 21302012013122 in words is "twenty-one trillion, three hundred two billion, twelve million, thirteen thousand, one hundred twenty-two".