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122010021112212 = 2232318310143130259
BaseRepresentation
bin11011101111011110101011…
…111101111010100110010100
3121000000001012011010010112200
4123233132223331322212110
5111443003010401042322
61111254344021044500
734461635030554632
oct3357365375724624
9530001164103480
10122010021112212
1135970183139a12
1211826439256730
135310659b60c2c
14221b4607ba352
15e18b622b18ac
hex6ef7abf7a994

122010021112212 has 288 divisors, whose sum is σ = 326154593157120. Its totient is φ = 38408294880000.

The previous prime is 122010021112139. The next prime is 122010021112247. The reversal of 122010021112212 is 212211120010221.

122010021112212 is a `hidden beast` number, since 1 + 220 + 10 + 0 + 211 + 1 + 221 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4032174339 + ... + 4032204597.

It is an arithmetic number, because the mean of its divisors is an integer number (1132481226240).

Almost surely, 2122010021112212 is an apocalyptic number.

122010021112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122010021112212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163077296578560).

122010021112212 is an abundant number, since it is smaller than the sum of its proper divisors (204144572044908).

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

122010021112212 is a wasteful number, since it uses less digits than its factorization.

122010021112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30915 (or 30910 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122010021112212 its reverse (212211120010221), we get a palindrome (334221141122433).

The spelling of 122010021112212 in words is "one hundred twenty-two trillion, ten billion, twenty-one million, one hundred twelve thousand, two hundred twelve".