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122012020101111 = 3781118097395873
BaseRepresentation
bin11011101111100000100011…
…000111011100111111110111
3121000000020100110120021210120
4123233200203013130333313
5111443021104121213421
61111255314230223023
734462035412645620
oct3357404307347767
9530006313507716
10122012020101111
1135971009555958
12118268b67b4a73
1353108b8042cba
14221b5b0090a47
15e18c2ca248c6
hex6ef8231dcff7

122012020101111 has 32 divisors (see below), whose sum is σ = 186163086509568. Its totient is φ = 69631161200640.

The previous prime is 122012020101109. The next prime is 122012020101121. The reversal of 122012020101111 is 111101020210221.

It is a happy number.

It is not a de Polignac number, because 122012020101111 - 21 = 122012020101109 is a prime.

It is a super-3 number, since 3×1220120201011113 (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012020101121) 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, 308012071 + ... + 308407943.

It is an arithmetic number, because the mean of its divisors is an integer number (5817596453424).

Almost surely, 2122012020101111 is an apocalyptic number.

122012020101111 is a deficient number, since it is larger than the sum of its proper divisors (64151066408457).

122012020101111 is a wasteful number, since it uses less digits than its factorization.

122012020101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414791.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122012020101111 its reverse (111101020210221), we get a palindrome (233113040311332).

The spelling of 122012020101111 in words is "one hundred twenty-two trillion, twelve billion, twenty million, one hundred one thousand, one hundred eleven".

Divisors: 1 3 7 21 811 2433 5677 17031 18097 54291 126679 380037 395873 1187619 2771111 8313333 14676667 44030001 102736669 308210007 321053003 963159009 2247371021 6742113063 7164113681 21492341043 50148795767 150446387301 5810096195291 17430288585873 40670673367037 122012020101111