20013212301222 has 16 divisors (see below), whose sum is σ = 45744485260032. Its totient is φ = 5718060657480.

The previous prime is 20013212301217. The next prime is 20013212301281. The reversal of 20013212301222 is 22210321231002.

It is a super-2 number, since 2×20013212301222² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238252527354 + ... + 238252527437.

It is an arithmetic number, because the mean of its divisors is an integer number (2859030328752).

Almost surely, 2^{20013212301222} is an apocalyptic number.

20013212301222 is an abundant number, since it is smaller than the sum of its proper divisors (25731272958810).

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

20013212301222 is a wasteful number, since it uses less digits than its factorization.

20013212301222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476505054803.

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

Adding to 20013212301222 its reverse (22210321231002), we get a palindrome (42223533532224).

The spelling of 20013212301222 in words is "twenty trillion, thirteen billion, two hundred twelve million, three hundred one thousand, two hundred twenty-two".