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20210012210212 = 22111217377418619
BaseRepresentation
bin1001001100001100000101…
…00110010100010000100100
32122120001120111111011112121
410212012002212110100210
510122110101111211322
6110552203524355324
74154060641244056
oct446060246242044
978501514434477
1020210012210212
116492022022a30
122324a04245b44
13b37a469a6c46
144dc253d5d8d6
15250a972caec7
hex126182994424

20210012210212 has 24 divisors (see below), whose sum is σ = 38614453849440. Its totient is φ = 9178820789760.

The previous prime is 20210012210207. The next prime is 20210012210261. The reversal of 20210012210212 is 21201221001202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188655762 + ... + 188762857.

It is an arithmetic number, because the mean of its divisors is an integer number (1608935577060).

Almost surely, 220210012210212 is an apocalyptic number.

20210012210212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20210012210212 is a deficient number, since it is larger than the sum of its proper divisors (18404441639228).

20210012210212 is a wasteful number, since it uses less digits than its factorization.

20210012210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377419851 (or 377419849 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20210012210212 its reverse (21201221001202), we get a palindrome (41411233211414).

The spelling of 20210012210212 in words is "twenty trillion, two hundred ten billion, twelve million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 1217 2434 4868 13387 26774 53548 377418619 754837238 1509674476 4151604809 8303209618 16606419236 459318459323 918636918646 1837273837292 5052503052553 10105006105106 20210012210212