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212122020120002 = 21996437253114281
BaseRepresentation
bin110000001110110010000001…
…101010001000010111000010
31000211001200000022002111112122
4300032302001222020113002
5210300401344122320002
62031051302154124242
762452211255253236
oct6016620152102702
91024050008074478
10212122020120002
1161652497391333
121b95a803420682
1391490365360b5
143a54a90d605c6
15197cba949e6a2
hexc0ec81a885c2

212122020120002 has 32 divisors (see below), whose sum is σ = 320326229059200. Its totient is φ = 105348473112960.

The previous prime is 212122020119981. The next prime is 212122020120019. The reversal of 212122020120002 is 200021020221212.

It is a happy number.

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, 1856087102 + ... + 1856201382.

It is an arithmetic number, because the mean of its divisors is an integer number (10010194658100).

Almost surely, 2212122020120002 is an apocalyptic number.

212122020120002 is a deficient number, since it is larger than the sum of its proper divisors (108204208939198).

212122020120002 is a wasteful number, since it uses less digits than its factorization.

212122020120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122378.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212122020120002 its reverse (200021020221212), we get a palindrome (412143040341214).

The spelling of 212122020120002 in words is "two hundred twelve trillion, one hundred twenty-two billion, twenty million, one hundred twenty thousand, two".

Divisors: 1 2 199 398 643 1286 7253 14506 114281 127957 228562 255914 1443347 2886694 4663679 9327358 22741919 45483838 73482683 146965366 828880093 928072121 1657760186 1856144242 14623053917 29246107834 164947138507 329894277014 532969899799 1065939799598 106061010060001 212122020120002