20122121213304 has 96 divisors (see below), whose sum is σ = 55841727427920. Its totient is φ = 6037240000000.

The previous prime is 20122121213291. The next prime is 20122121213377. The reversal of 20122121213304 is 40331212122102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34009197 + ... + 34595804.

Almost surely, 2^{20122121213304} is an apocalyptic number.

20122121213304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20122121213304 is an abundant number, since it is smaller than the sum of its proper divisors (35719606214616).

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

20122121213304 is a wasteful number, since it uses less digits than its factorization.

20122121213304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68605133 (or 68605118 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20122121213304 its reverse (40331212122102), we get a palindrome (60453333335406).

The spelling of 20122121213304 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred thirteen thousand, three hundred four".