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122021012010112 = 27192347159729063
BaseRepresentation
bin11011101111101000111011…
…000100110111010010000000
3121000001002120010102121001021
4123233220323010313102000
5111443143013033310422
61111303402402115224
734462504266631015
oct3357507304672200
9530032503377037
10122021012010112
1135974903220206
12118285a604bb14
1353116bbc1c607
14221bbc439b70c
15e190a7153dc7
hex6efa3b137480

122021012010112 has 256 divisors, whose sum is σ = 272869386854400. Its totient is φ = 54074358632448.

The previous prime is 122021012010103. The next prime is 122021012010119. The reversal of 122021012010112 is 211010210120221.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (122021012010119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4198485693 + ... + 4198514755.

It is an arithmetic number, because the mean of its divisors is an integer number (1065896042400).

Almost surely, 2122021012010112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122021012010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136434693427200).

122021012010112 is an abundant number, since it is smaller than the sum of its proper divisors (150848374844288).

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

122021012010112 is a wasteful number, since it uses less digits than its factorization.

122021012010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30763 (or 30751 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122021012010112 its reverse (211010210120221), we get a palindrome (333031222130333).

The spelling of 122021012010112 in words is "one hundred twenty-two trillion, twenty-one billion, twelve million, ten thousand, one hundred twelve".