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BaseRepresentation
bin1001001111101101110101…
…01010111100110001100010
32122222122102010100002122121
410213312322222330301202
510131101310240024442
6111124010241254454
74165611246606334
oct447667252746142
978878363302577
1020331212033122
116529467182831
1223443a993442a
13b462c0622ca3
1450407078b454
15253cdc784967
hex127dbaabcc62

20331212033122 has 8 divisors (see below), whose sum is σ = 30497555150172. Its totient is φ = 10165360316400.

The previous prime is 20331212033101. The next prime is 20331212033129. The reversal of 20331212033122 is 22133021213302.

Adding to 20331212033122 its reverse (22133021213302), we get a palindrome (42464233246424).

It can be written as a sum of positive squares in 2 ways, for example, as 17201847495121 + 3129364538001 = 4147511^2 + 1769001^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20331212033129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122746629 + ... + 122912152.

Almost surely, 220331212033122 is an apocalyptic number.

20331212033122 is a deficient number, since it is larger than the sum of its proper divisors (10166343117050).

20331212033122 is a wasteful number, since it uses less digits than its factorization.

20331212033122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245700164.

The product of its (nonzero) digits is 2592, while the sum is 25.

The spelling of 20331212033122 in words is "twenty trillion, three hundred thirty-one billion, two hundred twelve million, thirty-three thousand, one hundred twenty-two".