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216120121021612 = 224310922435139383
BaseRepresentation
bin110001001000111101100011…
…000010101101010010101100
31001100012212210211022000020101
4301020331203002231102230
5211311403001440142422
62043352114000000444
763344110033223353
oct6110754302552254
91040185724260211
10216120121021612
11629540350931a5
12202a563b300124
139379069a55472
143b523abd8c99a
1519ebba8878c27
hexc48f630ad4ac

216120121021612 has 48 divisors (see below), whose sum is σ = 390730508340480. Its totient is φ = 104532069595968.

The previous prime is 216120121021603. The next prime is 216120121021621.

216120121021612 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (216120121021603) and next prime (216120121021621).

It is a super-2 number, since 2×2161201210216122 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39482073 + ... + 44621455.

It is an arithmetic number, because the mean of its divisors is an integer number (8140218923760).

Almost surely, 2216120121021612 is an apocalyptic number.

It is an amenable number.

216120121021612 is a deficient number, since it is larger than the sum of its proper divisors (174610387318868).

216120121021612 is a wasteful number, since it uses less digits than its factorization.

216120121021612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5141782 (or 5141780 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 216120121021612 in words is "two hundred sixteen trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, six hundred twelve".

Divisors: 1 2 4 43 86 109 172 218 436 2243 4486 4687 8972 9374 18748 96449 192898 244487 385796 488974 977948 5139383 10278766 10512941 20557532 21025882 42051764 220993469 441986938 560192747 883973876 1120385494 2240770988 11527636069 23055272138 24088288121 46110544276 48176576242 96353152484 495688350967 991376701934 1256512331521 1982753403868 2513024663042 5026049326084 54030030255403 108060060510806 216120121021612