13121322220002 has 32 divisors (see below), whose sum is σ = 26270958219264. Its totient is φ = 4369055518800.

The previous prime is 13121322219997. The next prime is 13121322220009. The reversal of 13121322220002 is 20002222312131.

It is a super-2 number, since 2×13121322220002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13121322220009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193236477 + ... + 193304367.

It is an arithmetic number, because the mean of its divisors is an integer number (820967444352).

Almost surely, 2^{13121322220002} is an apocalyptic number.

13121322220002 is an abundant number, since it is smaller than the sum of its proper divisors (13149635999262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13121322220002 is a wasteful number, since it uses less digits than its factorization.

13121322220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102174.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13121322220002 its reverse (20002222312131), we get a palindrome (33123544532133).

The spelling of 13121322220002 in words is "thirteen trillion, one hundred twenty-one billion, three hundred twenty-two million, two hundred twenty thousand, two".